| Idsp | Hull | Suffix | Ship | Typ | Type | Tons | Length | Lnch | Acq. | Disp | Fate | Hist |
| SP | 0 | AVALON | MOTOR BT | YP | 16 | 1908 | 22.12.1918 | RTO | Ex merc. AVALON, ex USONA. | |||
| SP | 0 | CHICOTA | MOTOR BT | YP | 15 | 1906 | 18.1.1919 | RTO | Ex merc. CHICOTA. Navy status questionable. | |||
| SP | 0 | COMETA | MOTOR BT | YP | 9 | 20.8.1918 | 4.12.1918 | RTO | Ex merc. COMETA. Tender. | |||
| SP | 0 | ELCO 7 | MOTOR BT | YP | 80 | 1917 | Ex merc. ELCO 7. To MAS-77 OR 78 (Italy). USN Apr - Dec 1917? Navy status questionable. | |||||
| SP | 0 | ELCO 10 | MOTOR BT | YP | 80 | 1917 | Ex merc. ELCO 10. To MAS-77 OR 78 (Italy). USN Apr - Dec 1917? Navy status questionable. See SP-496 | |||||
| SP | 0 | FALCON | MOTOR BT | YP | 45 | 1908 | 17.10.1918 | 1.2.1919 | RTO | Ex merc. FALCON. Charter. | ||
| SP | 0 | FOX ISLAND IV | MOTOR BT | YP | 13 | 1913 | 28.7.1917 | 14.3.1919 | RTO | Ex merc. FOX ISLAND IV. Charter. | ||
| SP | 0 | GOODWILL | MOTOR BT | YP | 26 | 1917 | 31.12.1918 | RTO | Ex merc. GOODWILL. Owner: Panama Canal. | |||
| SP | 0 | HERMES | SCHR;AUX | YP | 340 | 89.3 | 1914 | 21.10.1926 | Sold | Ex merc. HERMES (Ger.). Loan Hawaii 11 Sep 19 as tender to leper colonies. To District Unclassified ca. 17 Jul 20. | ||
| SP | 0 | HIGHBALL | MOTOR BT | YP | 31 | 1905 | 2.12.1918 | RTO | Ex merc. HIGHBALL. | |||
| SP | 0 | JEAN DULUTH | MOTOR BT | YP | 8.10.1917 | 6.11.1917 | RTO | Ex merc. JEAN DULUTH. | ||||
| SP | 0 | JERRY BRIGGS | MOTOR BT | YP | 2 | 3.4.1919 | RTO | Ex merc. JERRY BRIGGS, ex ROSALINDA. | ||||
| SP | 0 | LILLIE B | MOTOR BT | YP | 13 | 1881 | 20.4.1917 | 5.9.1917 | RTO | Ex merc. LILLIE B. | ||
| SP | 0 | MONA II | MOTOR BT | YP | 40 | 19.9.1918 | 7.8.1919 | RTO | Ex merc. MONA II. | |||
| SP | 0 | PEQUENI | MOTOR BT | YP | 30 | 1917 | 31.12.1918 | RTO | Ex merc. PEQUENI. Owner: Panama Canal Comm. | |||
| SP | 0 | POMPANO | FISH | YP | 15 | 1906 | 31.1.1919 | RTO | Ex merc. POMPANO. | |||
| SP | 0 | RELIEF | MOTOR BT | YP | 10 | 1910 | 4.6.1921 | Sold | Ex merc. RELIEF. To YP-2 ca. 17 Jul 20. | |||
| SP | 0 | SANDA | MOTOR BT | YP | 36.2 | 1917 | 26.9.1917 | 10.1.1942 | Boat | Ex merc. SANDA, ex M.V.H.. To YP-3 ca. 17 Jul 20. Reclas. small boat. | ||
| SP | 0 | SEVERN | MOTOR BT | YP | 40 | 27.11.1918 | RTO | Ex merc. SEVERN. Owner: CCMD. | ||||
| SP | 0 | STARBOARD UNIT | MOTOR BT | YP | 112 | 5.11.1918 | 5.3.1919 | RTO | Ex merc. STARBOARD UNIT. | |||
| SP | 0 | TIGRESS | MOTOR BT | YP | 24 | 1905 | 18.8.1917 | Ex merc. TIGRESS. Navy status questionable. Delivered under temporary charter. Auxiliary yawl. | ||||
| SP | 0 | TOAD | MOTOR BT | YP | 26 | 1914 | 4.8.1917 | 27.1.1919 | RTO | Ex merc. TOAD. | ||
| SP | 0 | TOCSAM | MOTOR BT | YP | 13 | 1910 | 2.7.1918 | 16.12.1918 | RTO | Ex merc. TOCSAM. | ||
| SP | 0 | TOMMY TRADDLES | MOTOR BT | YP | 46 | 1906 | 4.8.1917 | 4.9.1919 | RTO | Ex merc. TOMMY TRADDLES. | ||
| SP | 0 | VEDETTE | MOTOR BT | YP | 32 | 1914 | 31.12.1918 | RTO | Ex merc. VEDETTE. Owner: Panama Canal. | |||
| SP | 0 | VIKING | MOTOR BT | YP | 8.10.1917 | 6.11.1917 | RTO | Ex merc. VIKING (Owner P. Savolainen). Navy status questionable. Chartered. | ||||
| SP | 1 | ARAWAN II | MOTOR BT | YP | 61 | 1912 | 27.3.1917 | 29.11.1918 | RTO | Ex merc. ARAWAN II. | ||
| SP | 2 | LYNX | MOTOR BT | YP | 7 | 1916 | 21.4.1917 | 4.9.1919 | Lost | Ex merc. LYNX. Burned. | ||
| SP | 3 | ZIPALONG | MOTOR BT | YP | 25 | 1907 | 13.6.1917 | 3.3.1918 | RTO | Ex merc. ZIPALONG. | ||
| SP | 4 | PORPOISE | MOTOR BT | YP | 22 | 1910 | 27.1.1919 | RTO | Ex merc. PORPOISE. | |||
| SP | 5 | TACONY | MOTOR BT | YP | 65 | 1899 | 24.5.1917 | 29.11.1918 | RTO | Ex merc. TACONY, ex SYBILLA II. | ||
| SP | 8 | PATROL 4 | MOTOR BT | YP | 40 | 1915 | 21.4.1917 | 17.3.1919 | RTO | Ex merc. PATROL 4. | ||
| SP | 9 | PSYCHE V | MOTOR BT | YP | 43 | 1911 | 2.5.1917 | 16.6.1919 | Trf. | Ex merc. PSYCHE V, ex ACHELOUS. Trf. to Dept. of Commerce. | ||
| SP | 12 | SIWASH | MOTOR BT | YP | 56 | 1916 | 18.6.1917 | 16.6.1919 | Trf. | Ex merc. SIWASH. Trf. to Dept. of Commerce. | ||
| SP | 14 | EDAMENA II | MOTOR BT | YP | 9 | 1916 | 22.5.1917 | 14.2.1919 | RTO | Ex merc. EDAMENA II. | ||
| SP | 15 | ELITHRO II | MOTOR BT | YP | 17 | 1916 | 10.11.1917 | 18.12.1918 | RTO | Ex merc. ELITHRO II. | ||
| SP | 20 | SCOTER | MOTOR BT | YP | 11 | 1916 | 21.4.1917 | Unk. | Ex merc. SCOTER. Unaccounted for abroad. | |||
| SP | 24 | HELENA I | MOTOR BT | YP | 9 | 1906 | 20.8.1917 | 11.9.1919 | Lost | Ex merc. HELENA I. To USS SP-24 11 Apr 18. Wrecked. | ||
| SP | 26 | DAWN | MOTOR BT | YP | 16 | 1914 | 3.6.1917 | 4.4.1918 | RTO | Ex merc. DAWN. | ||
| SP | 28 | MAUNA LOA | MOTOR BT | YP | 18 | 1916 | 10.5.1917 | 5.12.1918 | RTO | Ex merc. MAUNA LOA. | ||
| SP | 29 | PATROL 5 | MOTOR BT | YP | 5 | 1916 | 7.4.1917 | 23.4.1919 | Sold | Ex merc. PATROL 5. | ||
| SP | 31 | PATROL 7 | MOTOR BT | YP | 39.8 | 1916 | 1.5.1917 | 11.10.1919 | Sold | Ex merc. PATROL 7. Sunk off Boston 1919, raised 21 Jul 19. | ||
| SP | 33 | NIJI | MOTOR BT | YP | 56.2 | 1914 | 21.6.1917 | 25.11.1918 | RTO | Ex merc. NIJI, ex WILFREDA. Found unsuitable. | ||
| SP | 35 | CHINGACHGOOK | MOTOR BT | YP | 15 | 1916 | 25.5.1917 | 31.7.1917 | Lost | Ex merc. CHINGACHGOOK. Sunk by fuel explosion, remains burned 1918. | ||
| SP | 36 | MUSTANG | MOTOR BT | YP | 34 | 1911 | 6.7.1917 | 23.7.1919 | Sold | Ex merc. MUSTANG. | ||
| SP | 38 | LILLIAN II | MOTOR BT | YP | 13 | 16.6.1917 | 18.12.1917 | RTO | Ex merc. LILLIAN II. | |||
| SP | 40 | ATLANTIS | MOTOR BT | YP | 31 | 1911 | 2.7.1917 | 24.10.1919 | Sold | Ex merc. ATLANTIS. | ||
| SP | 41 | GEM | YACHT;ST | PY | 201 | 164.6 | 1913 | 11.5.1917 | 10.1.1919 | RTO | Ex merc. GEM. To USS ATHERO (not confirmed). | |
| SP | 43 | DARAGA | MOTOR BT | YP | 61 | 1915 | 20.4.1917 | 7.7.1921 | Sold | Ex merc. DARAGA. | ||
| SP | 44 | PRISCILLA | SCHR;AUX | YP | 36 | 1884 | 19.6.1917 | 17.12.1917 | RTO | Ex merc. PRISCILLA. | ||
| SP | 45 | PATROL 1 | MOTOR BT | YP | 5 | 1916 | 25.5.1917 | 11.9.1919 | Lost | Ex merc. PATROL 1. Wrecked in hurricane, stk. again 4 Oct 19. PATROL 1/5 were sisters built by Britt Bros. | ||
| SP | 46 | DODGER II | MOTOR BT | YP | 29 | 1913 | 25.5.1917 | 30.4.1919 | Sold | Ex merc. DODGER II. | ||
| SP | 49 | MOMO | MOTOR BT | YP | 15 | 1912 | 11.7.1917 | 13.2.1919 | RTO | Ex merc. MOMO, ex ELSIE IV. | ||
| SP | 51 | MANATEE | MOTOR BT | YP | 2 | 1915 | 21.4.1917 | Unk. | Ex merc. MANATEE. Unaccounted for abroad. | |||
| SP | 52 | GREY FOX | MOTOR BT | YP | 19 | 1916 | 28.5.1917 | 18.2.1920 | Sold | Ex merc. GREY FOX. | ||
| SP | 53 | BOY SCOUT | MOTOR BT | YP | 9 | 1916 | 28.4.1917 | Unk. | Ex merc. BOY SCOUT. Unaccounted for abroad. | |||
| SP | 54 | PATROL 6 | MOTOR BT | YP | 34 | 1916 | 16.6.1917 | 19.3.1921 | Sold | Ex merc. PATROL 6, ex BONITA. | ||
| SP | 55 | GYPSY | MOTOR BT | YP | 22 | 1912 | 11.5.1917 | 20.6.1917 | Lost | Ex merc. GYPSY. Burned while fitting out. | ||
| SP | 56 | PATROL 8 | MOTOR BT | YP | 40 | 1916 | 10.5.1917 | 18.2.1919 | RTO | Ex merc. PATROL 8. | ||
| SP | 59 | PETREL | MOTOR BT | YP | 5 | 14.5.1917 | 17.4.1918 | RTO | Ex merc. PETREL. To USS SP-59 11 Apr 18. | |||
| SP | 60 | LITTLE AIE | MOTOR BT | YP | 21 | 1915 | 25.4.1917 | 25.1.1919 | RTO | Ex merc. LITTLE AIE. | ||
| SP | 61 | ZENITH | MOTOR BT | YP | 19 | 1917 | 21.4.1917 | 21.11.1918 | RTO | Ex merc. ZENITH. | ||
| SP | 62 | LYDIA | MOTOR BT | YP | 40 | 1916 | 18.8.1917 | 17.4.1919 | RTO | Ex merc. LYDIA. To USS SP-62 11 Apr 18. | ||
| SP | 63 | RIVALEN | MOTOR BT | YP | 43 | 1916 | 17.4.1917 | 5.7.1918 | RTO | Ex merc. RIVALEN. | ||
| SP | 64 | NEDEVA II | MOTOR BT | YP | 18 | 10.4.1917 | RTO | Ex merc. NEDEVA II. | ||||
| SP | 65 | CHICHOTA | STEAM BT | YP | 27 | 1901 | 1.5.1917 | 21.12.1918 | RTO | Ex merc. CHICHOTA, ex NIAGARA III. Blt. Herreshoff. Owner: E. Gould. | ||
| SP | 66 | DLONRA | MOTOR BT | YP | 8 | 17.5.1917 | Unk. | Ex merc. DLONRA. Unaccounted for abroad. | ||||
| SP | 68 | VIXEN | YACHT;ST | PY | 287 | 167.7 | 1913 | 6.8.1917 | 8.5.1928 | Trf. | Ex merc. VIXEN. To USS DESPATCH 21 Aug 17, to PY-8 17 Jul 20. Given by Congress to State of Florida. | |
| SP | 70 | SHREWSBURY | MOTOR BT | YP | 77 | 1910 | 13.4.1917 | 20.10.1919 | Sold | Ex merc. SHREWSBURY, MONA, TOPSY. | ||
| SP | 71 | FANTANA | MOTOR BT | YP | 27 | 1902 | 12.5.1917 | 11.1.1919 | RTO | Ex merc. FANTANA. | ||
| SP | 72 | JOYANCE | YACHT;ST | PYC | 119 | 134 | 1907 | 25.5.1917 | 5.8.1919 | Sold | Ex merc. JOYANCE, ex CAVALIER. | |
| SP | 75 | ORA | MOTOR BT | YP | 33 | 1914 | 11.6.1917 | 6.12.1920 | Trf. | Ex merc. ORA. Trf. to Dept. of Agric. | ||
| SP | 76 | KINGFISHER | MOTOR BT | YP | 17 | 1916 | 8.5.1917 | 7.1.1919 | RTO | Ex merc. KINGFISHER. To USS SP-76 11 Apr 18. [Not SP-67.] | ||
| SP | 78 | RUTOMA | MOTOR BT | YP | 29 | 1910 | 30.4.1917 | 16.9.1919 | Sold | Ex merc. RUTOMA, ex MANCHONAK. | ||
| SP | 81 | ELF | MOTOR BT | YP | 22 | 1917 | 13.5.1917 | 10.1.1919 | RTO | Ex merc. ELF. | ||
| SP | 82 | STURDY | MOTOR BT | YP | 52 | 1905 | 25.5.1917 | 30.3.1920 | Sold | Ex merc. STURDY. | ||
| SP | 83 | GEORGIANA III | MOTOR BT | YP | 82 | 95 | 1916 | 14.5.1917 | 21.11.1918 | RTO | Ex merc. GEORGIANA III. | |
| SP | 84 | COYOTE | MOTOR BT | YP | 44 | 1897 | 7.4.1917 | 13.12.1919 | Sold | Ex merc. COYOTE. | ||
| SP | 85 | PATROL 10 | MOTOR BT | YP | 13 | 1917 | 3.5.1917 | 5.8.1921 | Sold | Ex merc. PATROL 10, ex HULL NO. 288 (or GREENPORT 288). Similar to boats built for Russia. | ||
| SP | 86 | PERFECTO | MOTOR BT | YP | 60 | 1917 | 22.6.1917 | 18.2.1919 | RTO | Ex merc. PERFECTO. Blt. Greenport. Duplicate of hull 288, as Russian boats. | ||
| SP | 89 | WHIPPET | MOTOR BT | YP | 21 | 1917 | 9.7.1917 | 11.1.1919 | RTO | Ex merc. WHIPPET. | ||
| SP | 90 | RONDO | MOTOR BT | YP | 20 | 1907 | 2.6.1917 | 11.9.1919 | Lost | Ex merc. RONDO. To USS SP-90 11 Apr 18. Wrecked in hurricane, stk. again 4 Oct 19. | ||
| SP | 93 | ZUMBROTA | MOTOR BT | YP | 34 | 1914 | 11.8.1917 | 3.5.1927 | Sold | Ex merc. ZUMBROTA. | ||
| SP | 95 | KATYDID | MOTOR BT | YP | 10 | 1912 | 11.2.1920 | Army | Ex merc. KATYDID. | |||
| SP | 96 | SIMPLICITY | MOTOR BT | YP | 21 | 1906 | 12.5.1917 | 19.10.1918 | Lost | Ex merc. SIMPLICITY. | ||
| SP | 98 | DEAN II | MOTOR BT | YP | 42 | 1915 | 2.5.1917 | 16.7.1918 | RTO | Ex merc. DEAN II. | ||
| SP | 100 | MARIE | MOTOR BT | YP | 35 | 1912 | 1.5.1917 | 22.10.1919 | Sold | Ex merc. MARIE. | ||
| SP | 101 | PANAMA | MOTOR BT | YP | 78 | 1914 | 29.4.1917 | 6.12.1920 | Trf. | Ex merc. PANAMA. Trf. to Dept. of Agric. | ||
| SP | 102 | SHADOW III | MOTOR BT | YP | 6 | 1916 | 28.6.1917 | 5.8.1921 | Sold | Ex merc. SHADOW III. | ||
| SP | 103 | RAVEN III | MOTOR BT | YP | 6 | 1916 | 28.6.1917 | 16.6.1920 | Sold | Ex merc. RAVEN III. To USS SP-103 11 Apr 18. Sank accidentally 12 Sep 19, listed as unsalvable. | ||
| SP | 104 | SYBILLA III | MOTOR BT | PC | 103 | 120 | 1915 | 14.5.1917 | 24.12.1918 | RTO | Ex merc. SYBILLA III, ex PARAGON. Reacq. as PC-454 12 Aug 40. To PYC-46 15 Jul 43. | |
| SP | 106 | ZIGZAG | MOTOR BT | YP | 44 | 1916 | 27.6.1917 | 11.9.1919 | Lost | Ex merc. ZIGZAG. Destroyed in hurricane 9 Sep 19. | ||
| SP | 107 | RIETTE | MOTOR BT | YP | 29 | 1916 | 10.9.1917 | 30.10.1919 | Sold | Ex merc. RIETTE, ex TEMEGAN II (DANFS: AMALIA III). | ||
| SP | 108 | CALABASH | MOTOR BT | YP | 8 | 1912 | 23.6.1917 | RTO | Ex merc. CALABASH. RTO prior Feb 18. | |||
| SP | 109 | ELMASADA | MOTOR BT | YP | 47 | 1909 | 23.6.1917 | Trf. | Ex merc. ELMASADA. Trf. to USLHS (Lighthouse Service). Stk. 20 May 19. | |||
| SP | 110 | COCO | MOTOR BT | YP | 6 | 1917 | 23.6.1917 | 11.9.1919 | Lost | Ex merc. COCO. Wrecked. (Had been sold 5 Aug 19, evidently not delivered.) | ||
| SP | 114 | SCOUT | STEAM BT | YP | 30 | 1903 | 25.5.1917 | 12.12.1917 | RTO | Ex merc. SCOUT. | ||
| SP | 116 | BAB | MOTOR BT | YP | 7 | 1916 | 16.8.1917 | RTO | Ex merc. BAB. | |||
| SP | 117 | MOHICAN | YACHT;ST | PYC | 231 | 144 | 1890 | 19.4.1917 | 17.2.1919 | RTO | Ex merc. MOHICAN, ex NORSEMAN, ex LADY GODIVA. To USS SP-117 11 Apr 18. Rigged steam yacht. | |
| SP | 119 | IDYLEASE | MOTOR BT | YP | 34 | 1916 | 12.7.1917 | 30.4.1919 | RTO | Ex merc. IDYLEASE. | ||
| SP | 122 | TRAVELER | MOTOR BT | YP | 18 | 1914 | 5.5.1917 | 11.9.1919 | Lost | Ex merc. TRAVELER. Sunk in hurricane, Key West. | ||
| SP | 124 | TARANTULA | YACHT;MO | PYC | 160 | 128.7 | 1912 | 25.4.1917 | 28.10.1918 | Lost | Ex merc. TARANTULA. Sunk in collision with Dutch steamer FRISIA. | |
| SP | 125 | IDEALIA | MOTOR BT | YP | 52 | 1911 | 25.5.1917 | 22.11.1918 | RTO | Ex merc. IDEALIA. | ||
| SP | 126 | TANGUINGUI | MOTOR BT | YP | 51 | 1915 | 28.6.1917 | 7.4.1919 | RTO | Ex merc. TANGUINGUI. | ||
| SP | 128 | ONO | MOTOR BT | YP | 7 | 1908 | 2.7.1917 | 20.11.1919 | Sold | Ex merc. ONO. | ||
| SP | 129 | TANIWHA | MOTOR BT | YP | 46 | 1909 | 29.9.1917 | 4.4.1919 | RTO | Ex merc. TANIWHA. | ||
| SP | 130 | KANAWHA II | YACHT;ST | PY | 575 | 227 | 1899 | 28.4.1917 | 1.7.1919 | RTO | Ex merc. KANAWHA II. To USS PIQUA 14 Mar 18. | |
| SP | 131 | NOMA | YACHT;ST | PY | 1250 | 262.4 | 1902 | 17.5.1917 | 15.7.1919 | RTO | Ex merc. NOMA. | |
| SP | 132 | WANDERER | YACHT;ST | PY | 362 | 197 | 1897 | 10.6.1917 | 22.7.1920 | Sold | Ex merc. WANDERER, ex KETHAILES. | |
| SP | 133 | ZARA | YACHT;ST | PYC | 184 | 152 | 1891 | 10.6.1917 | 10.9.1919 | Sold | Ex merc. ZARA, ex SOLGAR. Decom. 13 Apr 18, stk. 23 Apr 18 but kept as guard boat. | |
| SP | 134 | SULTANA | YACHT;ST | PY | 400 | 186 | 1889 | 4.5.1917 | 17.2.1919 | RTO | Ex merc. SULTANA. | |
| SP | 135 | APHRODITE | YACHT;ST | PY | 1500 | 302 | 1899 | 11.5.1917 | 12.7.1919 | RTO | Ex merc. APHRODITE. | |
| SP | 136 | NIAGARA | YACHT;ST | PY | 2600 | 282 | 1898 | 10.8.1917 | 13.9.1933 | Sold | Ex merc. NIAGARA. To PY-9 17 Jul 20. Originally rigged, used by the French. | |
| SP | 142 | HOQUA | MOTOR BT | YP | 35 | 1914 | 11.6.1917 | 6.2.1919 | RTO | Ex merc. HOQUA. | ||
| SP | 143 | MAGISTRATE | MOTOR BT | YP | 44 | 1916 | 1.5.1917 | 15.2.1919 | RTO | Ex merc. MAGISTRATE. | ||
| SP | 144 | HOWARDA | MOTOR BT | YP | 38 | 1913 | 11.6.1917 | USCG | Ex merc. HOWARDA. Stk. 31 Mar 19. | |||
| SP | 145 | EAGLE | MOTOR BT | YP | 52 | 1909 | 2.5.1917 | 25.6.1919 | Sold | Ex merc. EAGLE. To USS SP-145 11 Apr 18. | ||
| SP | 148 | KATHRICK II | MOTOR BT | YP | 12 | 1913 | 11.5.1917 | 4.9.1917 | C&GS | Ex merc. KATHRICK II. | ||
| SP | 149 | JEANETTE | MOTOR BT | YP | 17 | 1905 | 11.5.1917 | 16.1.1920 | Sold | Ex merc. JEANETTE. | ||
| SP | 151 | MISS BETSY | MOTOR BT | YP | 7 | 1916 | 17.1.1919 | RTO | Ex merc. MISS BETSY. | |||
| SP | 153 | WISSOE II | MOTOR BT | YP | 67 | 83 | 1916 | 30.4.1917 | 18.1.1919 | RTO | Ex merc. WISSOE II. | |
| SP | 154 | LADY ANNE | MOTOR BT | YP | 27 | 1914 | 8.5.1917 | 25.2.1920 | Army | Ex merc. LADY ANNE, ex DANNA. | ||
| SP | 155 | ME-TOO | MOTOR BT | YP | 18 | 1913 | 2.7.1917 | 1.12.1919 | Sold | Ex merc. ME-TOO. | ||
| SP | 156 | WINCHESTER | YACHT;ST | PY | 399 | 220 | 1916 | 30.5.1917 | 9.3.1921 | Sold | Ex merc. WINCHESTER. Light construction, high speed. (31 kts., turbine) | |
| SP | 157 | REMLIK | YACHT;ST | PY | 432 | 200 | 1903 | 10.6.1917 | 7.6.1920 | Sold | Ex merc. REMLIK, ex CANDACE. | |
| SP | 158 | WADENA | YACHT;ST | PY | 250 | 176 | 1891 | 25.5.1917 | 12.7.1920 | Sold | Ex merc. WADENA. Lengthened 1894. | |
| SP | 159 | CORSAIR | YACHT;ST | PY | 1600 | 304 | 1899 | 25.5.1917 | 9.6.1919 | RTO | Ex merc. CORSAIR. | |
| SP | 160 | WAKIVA | YACHT;ST | PY | 853 | 239.5 | 1907 | 20.7.1917 | 3.3.1918 | Lost | Ex merc. WAKIVA (WAKIVA II). Sunk in collision. | |
| SP | 161 | NARADA | YACHT;ST | PY | 505 | 224 | 1889 | 30.6.1917 | 4.2.1919 | RTO | Ex merc. NARADA, SEMIRAMIS, MARGARITA. Used for experimental submarine signal work. | |
| SP | 162 | CHRISTABEL | YACHT;ST | PY | 248 | 164 | 1893 | 30.4.1917 | 30.6.1919 | Sold | Ex merc. CHRISTABEL. | |
| SP | 163 | VEDETTE | YACHT;ST | PY | 441 | 199 | 1900 | 4.5.1917 | 6.2.1919 | RTO | Ex merc. VEDETTE. | |
| SP | 164 | MAY | YACHT;ST | PY | 1100 | 239 | 1891 | 11.8.1917 | 27.7.1919 | Lost | Ex merc. MAY. Grounded in the Dominican Republic. Abandoned 28 Feb 20, declared unsalable 23 Jun 23. | |
| SP | 165 | WENONAH | YACHT;ST | PY | 290 | 163 | 1915 | 8.8.1917 | 15.5.1929 | Sold | Ex merc. WENONAH (to PY-11 22 Sep 23). To C&GS as M-50 12 Apr 19-11.22; PY-11 22 Sep 23. | |
| SP | 166 | ALCEDO | YACHT;ST | PY | 981 | 275 | 1895 | 10.6.1917 | 5.11.1917 | Lost | Ex merc. ALCEDO. Torpedoed. | |
| SP | 167 | OWERA | YACHT;ST | PY | 426 | 195 | 1907 | 18.6.1917 | 8.1.1919 | RTO | Ex merc. OWERA. | |
| SP | 170 | SOVEREIGN | YACHT;ST | PY | 173 | 166 | 1911 | 14.6.1918 | 23.4.1919 | RTO | Ex merc. SOVEREIGN. Turbine machinery, looked like a 4-stack DD. 29mph? | |
| SP | 171 | QUEST | MOTOR BT | YP | 12 | 1916 | 26.7.1917 | 7.1.1919 | RTO | Ex merc. QUEST, ex WHIPPET. Blt. Greenport. Hull as Russian subchasers. | ||
| SP | 173 | FLORENCE | YACHT;ST | PYC | 104 | 124 | 1903 | 28.4.1917 | 19.2.1919 | RTO | Ex merc. FLORENCE, ex QUICKSTEP. | |
| SP | 175 | EMELINE | YACHT;ST | PY | 407 | 196 | 1898 | 10.6.1917 | 22.9.1920 | Sold | Ex merc. EMELINE, KATOOMBA, RIVERA. To merc. KATHARINE R.. | |
| SP | 177 | EMERALD | YACHT;ST | PY | 198 | 163 | 1906 | 23.7.1917 | 12.12.1918 | RTO | Ex merc. EMERALD. Card says built 1916. | |
| SP | 179 | PRIVATEER | MOTOR BT | YP | 50 | 1917 | 25.5.1917 | 30.6.1930 | USSB | Ex merc. PRIVATEER. Postwar service in 3ND. | ||
| SP | 180 | SENTINEL | MOTOR BT | YP | 15 | 1917 | 9.8.1917 | 18.9.1919 | USCG | Ex merc. SENTINEL. To USCGC TULARE; AB-14 (6/11/23), served to 1934. | ||
| SP | 181 | HELORI | MOTOR BT | YP | 90 | 92.3 | 1911 | 23.4.1917 | 17.9.1925 | Sold | Ex merc. HELORI. | |
| SP | 182 | ARCTURUS | MOTOR BT | YP | 78 | 1911 | 25.5.1917 | 3.11.1919 | Sold | Ex merc. ARCTURUS. To USS SP-182 11 Apr 18. | ||
| SP | 183 | HIAWATHA | MOTOR BT | YP | 89 | 98 | 1914 | 18.5.1917 | 1.10.1920 | Trf. | Ex merc. HIAWATHA, ex DONAIRE. Loan to State of MD 11 Dec 19. Trf. to Dept. of Agric. | |
| SP | 184 | GLADIOLA | MOTOR BT | YP | 43 | 1911 | 18.5.1917 | 25.2.1919 | RTO | Ex merc. GLADIOLA. | ||
| SP | 185 | CLARINDA | MOTOR BT | YP | 76 | 98 | 1913 | 5.7.1917 | 1.6.1931 | Sold | Ex merc. CLARINDA. | |
| SP | 191 | HOPESTILL | MOTOR BT | YP | 83 | 89 | 1916 | 2.5.1917 | 16.9.1919 | Sold | Ex merc. HOPESTILL. | |
| SP | 192 | SACHEM | YACHT;ST | PY | 217 | 186.5 | 1902 | 3.7.1917 | 10.2.1919 | RTO | Ex merc. SACHEM, ex CELT. | |
| SP | 193 | MARGUERITE | MOTOR BT | YP | 33 | 1916 | 27.6.1917 | 11.12.1919 | USCG | Ex merc. MARGUERITE. | ||
| SP | 194 | CORONET | MOTOR BT | YP | 57 | 1905 | 20.7.1917 | Sold | Ex merc. CORONET. Stk. 5 Aug 19. | |||
| SP | 195 | WILROSE II | MOTOR BT | YP | 44 | 1908 | 3.5.1918 | 10.3.1920 | Sold | Ex merc. WILROSE II, ex TARPON, ex CYNTHIANA II. | ||
| SP | 196 | EDITH M III | MOTOR BT | YP | 22 | 1909 | 28.6.1917 | 2.7.1919 | Sold | Ex merc. EDITH M III. | ||
| SP | 197 | ARROYO | MOTOR BT | YP | 12 | 1913 | 21.4.1917 | 16.12.1918 | RTO | Ex merc. ARROYO. | ||
| SP | 198 | REPOSO II | YACHT;ST | PYC | 157 | 140 | 1882 | 12.5.1917 | 8.8.1919 | Sold | Ex merc. REPOSO II, SOPHIA, EMPRESS, ONONDAGA, TURBESE. Lengthened 1902. | |
| SP | 200 | KARIBOU | MOTOR BT | YP | 28 | 1911 | 12.6.1917 | 5.2.1919 | RTO | Ex merc. KARIBOU, ex LEBANON. | ||
| SP | 201 | WEMOOTAH | MOTOR BT | YP | 24 | 1916 | 16.6.1917 | 10.10.1919 | Sold | Ex merc. WEMOOTAH. | ||
| SP | 202 | MINNEMAC II | MOTOR BT | YP | 35 | 1914 | 3.7.1917 | 13.1.1919 | RTO | Ex merc. MINNEMAC II. | ||
| SP | 204 | NIRVANA II | MOTOR BT | YP | 4 | 1916 | 18.5.1917 | 2.12.1918 | RTO | Ex merc. NIRVANA II. | ||
| SP | 206 | ALACRITY | MOTOR BT | PYC | 101 | 118 | 1910 | 28.4.1917 | 28.4.1919 | RTO | Ex merc. ALACRITY. | |
| SP | 208 | ABALONE | MOTOR BT | YP | 33 | 1913 | 29.4.1917 | 24.12.1918 | RTO | Ex merc. ABALONE. | ||
| SP | 209 | HARVARD | YACHT;ST | PY | 804 | 243 | 1894 | 28.4.1917 | 26.7.1919 | RTO | Ex merc. HARVARD, WACOUTA, ELEANOR. | |
| SP | 210 | HELENITA | YACHT;ST | PY | 304 | 187 | 1902 | 8.8.1917 | 17.6.1919 | RTO | Ex merc. HELENITA. | |
| SP | 211 | RAMBLER | YACHT;ST | PY | 300 | 177 | 1900 | 16.8.1917 | 16.9.1919 | Sold | Ex merc. RAMBLER. | |
| SP | 212 | LADY MARY | MOTOR BT | YP | 63 | 89.25 | 1905 | 21.7.1917 | 9.12.1918 | RTO | Ex merc. LADY MARY, ex GLENDA. Later reverted to LADY MARY | |
| SP | 214 | EDITHIA | MOTOR BT | YP | 67 | 98.8 | 1909 | 25.5.1917 | 3.10.1933 | Sold | Ex merc. EDITHIA, ex ALFREDINE IV. Loan to New Jersey 13 Jul 22. | |
| SP | 216 | HYAC | MOTOR BT | YP | 48 | 1915 | 5.7.1917 | 26.11.1918 | RTO | Ex merc. HYAC. | ||
| SP | 218 | ALTHEA | MOTOR BT | YP | 25 | 1907 | 15.6.1917 | 12.5.1920 | Sold | Ex merc. ALTHEA. Sunk by ice 18 Mar 20 while laid up, sold as sunk. | ||
| SP | 219 | KILLARNEY | MOTOR BT | YP | 32 | 1910 | 2.7.1917 | 18.12.1919 | Sold | Ex merc. KILLARNEY. | ||
| SP | 221 | WHIRLWIND | MOTOR BT | YP | 39 | 1909 | 11.5.1917 | 30.6.1919 | Sold | Ex merc. WHIRLWIND. | ||
| SP | 223 | SEA GULL | MOTOR BT | YP | 38 | 1910 | 18.5.1917 | 10.4.1920 | Sold | Ex merc. SEA GULL. To USS SP-223 11 Apr 18. Sold as scrap. | ||
| SP | 225 | SABALO | YACHT;MO | PYC | 204 | 141 | 1916 | 11.5.1917 | 3.3.1919 | RTO | Ex merc. SABALO. | |
| SP | 229 | PIRATE | MOTOR BT | YP | 42 | 1916 | 5.9.1917 | 26.12.1918 | RTO | Ex merc. PIRATE. | ||
| SP | 231 | DICKY | MOTOR BT | YP | 15 | 1913 | 2.7.1917 | 14.1.1919 | RTO | Ex merc. DICKY. | ||
| SP | 232 | CLEO | MOTOR BT | YP | 11 | 1908 | 15.6.1917 | 28.11.1918 | RTO | Ex merc. CLEO. | ||
| SP | 235 | ZORAYA | YACHT;ST | PYC | 129 | 135 | 1901 | 16.8.1917 | 8.2.1919 | RTO | Ex merc. ZORAYA. | |
| SP | 237 | RANGER | YACHT;ST | PYC | 219 | 145 | 1910 | 22.6.1917 | 28.4.1919 | C&GS | Ex merc. RANGER. To USS SP-237 11 Apr 18. | |
| SP | 238 | WACONDAH | YACHT;ST | PY | 190 | 177 | 1901 | 24.5.1917 | 24.5.1920 | Sold | Ex merc. WACONDAH, ex REVOLUTION (1907). To merc. INTERCOLONIAL. | |
| SP | 242 | LANNAI | MOTOR BT | YP | 60 | 23.6.1917 | 14.8.1917 | RTO | Ex merc. LANNAI. | |||
| SP | 245 | JOSEPHINE H II | MOTOR BT | YP | 36 | 1912 | 26.4.1917 | 11.3.1919 | RTO | Ex merc. JOSEPHINE H II. To USS SP-245 11 Apr 18. | ||
| SP | 246 | NIAGARA | MOTOR BT | YP | 46 | 1913 | 9.6.1917 | 20.3.1919 | RTO | Ex merc. NIAGARA. To USS SP-246 11 Apr 18. | ||
| SP | 248 | ADROIT | YACHT;ST | PYC | 141 | 30.4.1917 | 30.4.1918 | RTO | Ex merc. ADROIT. | |||
| SP | 249 | CALIFORNIA | YACHT;ST | PY | 285 | 211 | 1903 | 18.8.1917 | 7.9.1920 | Sold | Ex merc. CALIFORNIA, ex HAUOLI. To USS HAUOLI 18 Feb 18. | |
| SP | 250 | WIWOKA | MOTOR BT | YP | 29 | 1912 | 25.7.1917 | 17.1.1919 | RTO | Ex merc. WIWOKA, ex IDYLEASE III. | ||
| SP | 251 | SUNBEAM III | MOTOR BT | YP | 52 | 1917 | 16.6.1917 | 20.12.1918 | RTO | Ex merc. SUNBEAM III. | ||
| SP | 252 | HOBCAW | MOTOR BT | YP | 19 | 18.11.1918 | RTO | Ex merc. HOBCAW. | ||||
| SP | 256 | CHIPPER | MOTOR BT | YP | 38 | 1913 | 15.6.1917 | 4.12.1918 | RTO | Ex merc. CHIPPER. To USS SP-256 11 Apr 18. | ||
| SP | 259 | WISTARIA | MOTOR BT | YP | 52 | 7.5.1917 | 10.12.1917 | RTO | Ex merc. WISTARIA. Rejected for government service. | |||
| SP | 260 | OLYMPIC | MOTOR BT | YP | 28 | 1914 | 15.5.1917 | 30.9.1919 | Trf. | Ex merc. OLYMPIC. Trf. to USPHS (Public Health Service). | ||
| SP | 262 | MANITO II | MOTOR BT | YP | 23 | 1912 | 10.5.1917 | 25.3.1920 | Sold | Ex merc. MANITO II. | ||
| SP | 263 | NIAGARA | MOTOR BT | YP | 37 | 1915 | 5.7.1917 | 29.5.1919 | Trf. | Ex merc. NIAGARA. To USS SP-263 11 Apr 18. Trf. to USLHS. | ||
| SP | 268 | ALMAX II | MOTOR BT | YP | 22 | 1912 | 18.5.1917 | 23.8.1920 | Sold | Ex merc. ALMAX II. To C&GS 28 Mar 19. | ||
| SP | 269 | TILLAMOOK | MOTOR BT | YP | 24 | 1911 | 1.6.1917 | 20.11.1919 | Sold | Ex merc. TILLAMOOK. To USS SP-269 11 Apr 18. | ||
| SP | 270 | IDALIS | MOTOR BT | YP | 40 | 1908 | 18.6.1917 | 22.3.1919 | RTO | Ex merc. AMALIA IV (USS?), ex IDALIS. | ||
| SP | 272 | CALIPH | MOTOR BT | YP | 22 | 1910 | 18.5.1917 | 2.12.1918 | RTO | Ex merc. CALIPH. | ||
| SP | 274 | VIRGINIA | MOTOR BT | YP | 91 | 98 | 1910 | 2.7.1917 | 1.4.1920 | Sold | Ex merc. VIRGINIA, ex PAULA. To USS SP-274 11 Apr 18. Reported sunk at Detroit 18 Mar 20, sold 'as sunk.' | |
| SP | 277 | NAJELDA | MOTOR BT | YP | 52 | 1907 | 21.5.1917 | 30.10.1919 | Sold | Ex merc. NAJELDA. | ||
| SP | 279 | MERITO | MOTOR BT | YP | 60 | 23.5.1917 | 19.12.1917 | RTO | Ex merc. MERITO. | |||
| SP | 281 | QUICKSILVER | MOTOR BT | YP | 20 | 1916 | 24.5.1917 | Sold | Ex merc. QUICKSILVER. Stk. 17 May 19. | |||
| SP | 284 | ELLEN | MOTOR BT | YP | 28 | 1911 | 14.5.1917 | 30.4.1919 | Sold | Ex merc. ELLEN. | ||
| SP | 289 | GRAYLING | MOTOR BT | YP | 16 | 1909 | 22.5.1917 | 15.1.1919 | RTO | Ex merc. GRAYLING. | ||
| SP | 291 | MARY POPE | MOTOR BT | YP | 13 | 1915 | 7.7.1917 | 10.9.1919 | Lost | Ex merc. MARY POPE, MANITEE, MADGE. Destroyed in hurricane. | ||
| SP | 292 | GLENDOVEER | MOTOR BT | YP | 33 | 1907 | 3.5.1917 | 2.9.1919 | Sold | Ex merc. GLENDOVEER. | ||
| SP | 296 | EDITH | MOTOR BT | YP | 13 | 1917 | 15.6.1917 | 17.2.1919 | RTO | Ex merc. EDITH (EDITH II). To USS SP-296 11 Apr 18. | ||
| SP | 298 | NAVAJO III | MOTOR BT | YP | 40 | 1916 | 15.6.1917 | 11.11.1919 | Sold | Ex merc. NAVAJO III. To USS SP-298 11 Apr 18. | ||
| SP | 301 | SANS SOUCI II | MOTOR BT | YP | 8 | 1907 | 9.7.1917 | 7.2.1919 | RTO | Ex merc. SANS SOUCI II. | ||
| SP | 303 | GEORGE P.SQUIRES | FISH | YP | 218 | 1900 | 28.5.1917 | 23.10.1918 | Sold | Ex merc. GEORGE P. SQUIRES. | ||
| SP | 309 | MIKAWE | MOTOR BT | YP | 41 | 1916 | 10.8.1917 | 24.4.1919 | C&GS | Ex merc. MIKAWE. | ||
| SP | 310 | RABOCO | MOTOR BT | YP | 39 | 1913 | 7.7.1917 | 7.1.1919 | RTO | Ex merc. RABOCO. | ||
| SP | 311 | ONWARD | YACHT;ST | PYC | 157 | 140 | 1906 | 1.8.1917 | 23.4.1921 | Sold | Ex merc. ONWARD, GALATEA, UNGAVA. With C&GS 18 Apr 19 - Nov 20. To merc. THELMA PHOEBE 1923. | |
| SP | 312 | G.H.MCNEAL | MENHADEN | YP | 244 | 1911 | 26.5.1917 | 10.7.1919 | Sold | Ex merc. G. H. MCNEAL. Also listed as tug used as minesweeper. | ||
| SP | 313 | OTIS W.DOUGLAS | MENHADEN | YP | 295 | 1912 | 7.4.1917 | 27.4.1919 | Lost | Ex merc. OTIS W. DOUGLAS. | ||
| SP | 314 | M.M.DAVIS | MENHADEN | YP | 298 | 1912 | 7.4.1917 | 1.7.1919 | Sold | Ex merc. M. M. DAVIS. | ||
| SP | 315 | WILBERT A.EDWARDS | MENHADEN | YP | 660 | 1911 | 28.5.1917 | 24.9.1919 | Sold | Ex merc. WILBERT A. EDWARDS. Also listed as tug. | ||
| SP | 317 | ALOHA | YACHT;ST | PY | 659 | 216 | 1910 | 22.4.1917 | 29.1.1919 | RTO | Ex merc. ALOHA. | |
| SP | 319 | JOHN A.PALMER JR. | MENHADEN | YP | 282 | 29.5.1917 | 10.9.1919 | USCG | Ex merc. JOHN A. PALMER JR. Also listed as cable ship and as tug used as minesweeper. | |||
| SP | 321 | DRUID | YACHT;ST | PY | 539 | 217 | 1902 | 2.6.1917 | 10.9.1919 | Sold | Ex merc. DRUID. | |
| SP | 322 | W.L.MESSICK | MENHADEN | YP | 237 | 1911 | 7.4.1917 | 27.8.1919 | Sold | Ex merc. W. L. MESSICK. Also listed as tug used as minesweeper. | ||
| SP | 323 | JOSEPH F.BELLOWS | MENHADEN | YP | 315 | 1912 | 16.5.1917 | 11.7.1919 | Sold | Ex merc. JOSEPH F. BELLOWS. | ||
| SP | 327 | GEORGE H.BRADLEY | FISH | YP | 99 | 1871 | 18.5.1917 | 6.5.1919 | Sold | Ex merc. GEORGE H. BRADLEY. | ||
| SP | 328 | MARGARET | MENHADEN | YP | 273 | 1912 | 21.5.1917 | 14.4.1919 | Sold | Ex merc. MARGARET. To USS SP-328 11 Apr 18. | ||
| SP | 332 | PETER G.STRUVEN | MENHADEN | YP | 254 | 1907 | 18.5.1917 | 1.7.1919 | Sold | Ex merc. PETER G. STRUVEN. | ||
| SP | 333 | KENNETH L.MCNEAL | MENHADEN | YP | 331 | 1913 | 14.6.1917 | Sold | Ex merc. KENNETH L. MCNEAL. Decomm. 8 Sep 19 for sale abroad. Also listed as tug used as minesweeper. | |||
| SP | 339 | CREST | TRAWLER | YP | 244 | 1911 | 21.4.1917 | 2.4.1919 | RTO | Ex merc. CREST. Sister to SP-344 and SP-894. | ||
| SP | 340 | WHITE CAP | TRAWLER | YP | 303 | 1916 | 28.4.1917 | 1.4.1919 | RTO | Ex merc. WHITE CAP. | ||
| SP | 341 | SURF | TRAWLER | YP | 252 | 1911 | 21.4.1917 | 2.4.1918 | RTO | Ex merc. SURF. | ||
| SP | 342 | WASAKA III | MOTOR BT | YP | 15 | 1912 | 17.4.1917 | 18.4.1919 | RTO | Ex merc. WASAKA III. | ||
| SP | 343 | NEMESIS | SAIL;AUX | YP | 10 | 1896 | 25.5.1917 | 14.12.1918 | RTO | Ex merc. NEMESIS. Auxiliary sloop. | ||
| SP | 344 | COMBER | TRAWLER | YP | 303 | 1916 | 17.4.1917 | 2.4.1919 | RTO | Ex merc. COMBER. Sister to SP-329. | ||
| SP | 354 | WANDENA | MOTOR BT | YP | 38 | 1913 | 28.6.1917 | 10.9.1919 | Sold | Ex merc. WANDENA, ex CHIPPER. | ||
| SP | 356 | MARY LOUISE | MOTOR BT | YP | 47.8 | 24.8.1917 | 30.10.1917 | RTO | Ex merc. MARY LOUISE. | |||
| SP | 359 | WYANDANCE | MOTOR BT | YP | 21 | 19.6.1917 | 2.2.1918 | RTO | Ex merc. WYANDANCE. | |||
| SP | 361 | VOYAGER | MOTOR BT | YP | 52 | 25.7.1917 | 13.5.1919 | USCG | Ex merc. VOYAGER. | |||
| SP | 364 | PONCE | MOTOR BT | YP | 18 | 30.4.1917 | 19.12.1917 | RTO | Ex merc. PONCE. | |||
| SP | 367 | ALICE | MOTOR BT | YP | 60 | 1913 | 8.5.1917 | 5.8.1919 | Sold | Ex merc. ALICE. | ||
| SP | 369 | RANGER | TRAWLER | YP | 213 | 1882 | 10.9.1918 | 10.1.1919 | RTO | Ex merc. RANGER. Rebuilt 1915. | ||
| SP | 371 | ABSEGAMI | MOTOR BT | YP | 51 | 1916 | 2.5.1917 | 6.12.1918 | RTO | Ex merc. ABSEGAMI. | ||
| SP | 372 | DRUSILLA | MOTOR BT | YP | 54 | 1914 | 22.5.1917 | 12.12.1918 | RTO | Ex merc. DRUSILLA. | ||
| SP | 375 | WARREN J.COURTNEY | MENHADEN | YP | 276 | 1912 | 28.5.1917 | 27.4.1919 | Lost | Ex merc. WARREN J. COURTNEY. | ||
| SP | 377 | PHILLIP K.BAUMAN | MENHADEN | YP | 204 | 1912 | 28.5.1917 | 12.1.1918 | Lost | Ex merc. PHILLIP K. BAUMAN. Freight boat. | ||
| SP | 380 | ELIZABETH M.FROELICH | FISH | YP | 144 | 1892 | 28.5.1917 | 14.4.1919 | Sold | Ex merc. ELIZABETH M. FROELICH. | ||
| SP | 382 | AVIS | MOTOR BT | YP | 17 | 1908 | 18.7.1917 | 15.11.1918 | RTO | Ex merc. AVIS. | ||
| SP | 383 | CITY OF LEWES | MENHADEN | YP | 254 | 1912 | 18.5.1917 | Sold | Ex merc. CITY OF LEWES. Decomm. 8 Sep 19 for sale abroad. Also listed as tug used as minesweeper. | |||
| SP | 384 | REHOBOTH | FISH | YP | 254 | 18.5.1917 | Lost | Ex merc. REHOBOTH. Foundered. Stk. 17 Dec 17. | ||||
| SP | 385 | HENLOPEN | FISH | YP | 580 | 1912 | 12.12.1917 | 27.3.1918 | Trf. | Ex merc. HENLOPEN. Trf. to France. | ||
| SP | 388 | IONITA | MOTOR BT | YP | 55 | 1914 | 16.8.1917 | 20.11.1919 | Sold | Ex merc. IONITA. | ||
| SP | 389 | KAJERUNA | YACHT;ST | PYC | 147 | 153 | 1902 | 28.5.1917 | 16.1.1919 | RTO | Ex merc. KAJERUNA, HAUOLI, SEMINOLE. | |
| SP | 391 | THETIS | YACHT;ST | PYC | 98 | 127 | 1901 | 23.6.1917 | 19.7.1920 | Sold | Ex merc. THETIS. | |
| SP | 392 | MONTAUK | MENHADEN | YP | 161 | 1880 | 17.8.1917 | 21.8.1918 | Lost | Ex merc. MONTAUK. Ashore in gale. | ||
| SP | 396 | NATOYA | MOTOR BT | YP | 12 | 1909 | 11.6.1917 | 3.4.1919 | Trf. | Ex merc. NATOYA. Trf. to Customs Svc. (Treasury Dept.) | ||
| SP | 397 | MARY ALICE | YACHT | PY | 180 | 174 | 1897 | 10.8.1917 | 5.10.1918 | Lost | Ex merc. MARY ALICE. Sunk by collision. | |
| SP | 399 | LEGONIA II | YACHT;ST | PY | 244 | 168 | 1909 | 14.6.1917 | 28.9.1921 | Sold | Ex merc. LEGONIA II, WALUCIA, LYDONIA. | |
| SP | 400 | WALTER ADAMS | MENHADEN | YP | 271 | 1890 | 23.6.1918 | 10.1.1919 | RTO | Ex merc. WALTER ADAMS. Rebuilt 1898. | ||
| SP | 402 | VIDOFNER | MOTOR BT | YP | 27 | 1906 | 8.6.1917 | 10.12.1917 | RTO | Ex merc. VIDOFNER. | ||
| SP | 403 | HELEN EUPHANE | FISH | YP | 178 | 1902 | 5.6.1917 | 15.4.1919 | Sold | Ex merc. HELEN EUPHANE. | ||
| SP | 406 | VIGILANT | MOTOR BT | YP | 30 | 1916 | 19.5.1917 | 23.12.1918 | RTO | Ex merc. VIGILANT. To USS SP-406 11 Apr 18. | ||
| SP | 407 | SPEEDWAY | MOTOR BT | YP | 15 | 29.5.1917 | 14.2.1919 | RTO | Ex merc. SPEEDWAY. | |||
| SP | 408 | ARTMAR III | MOTOR BT | YP | 32 | 1912 | 22.5.1917 | 11.4.1919 | Trf. | Ex merc. ARTMAR III. Trf. to Dept. of Treasury. Rebuilt 1917. | ||
| SP | 409 | PATROL 2 | MOTOR BT | YP | 40 | 26.4.1917 | 20.1.1919 | RTO | Ex merc. PATROL 2. | |||
| SP | 411 | SUSANNE | MOTOR BT | YP | 40 | 1916 | 3.8.1917 | 15.11.1919 | Sold | Ex merc. SUSANNE. To USS SP-411 11 Apr 18. | ||
| SP | 413 | MARIJA | MOTOR BT | YP | 46 | 25.7.1917 | 19.4.1922 | Sold | Ex merc. MARIJA. | |||
| SP | 415 | KEMAH | YACHT;MO | PYC | 300 | 146 | 1917 | 7.10.1917 | 22.9.1920 | Sold | Ex merc. KEMAH. | |
| SP | 416 | B.H.B.HUBBARD | MENHADEN | YP | 400 | 1910 | 28.5.1917 | 25.10.1919 | Sold | Ex merc. B. H. B. HUBBARD. | ||
| SP | 417 | ECLIPSE | AUX SCHR | YP | 66 | 84 | 1906 | 31.8.1917 | 6.1.1919 | RTO | Ex merc. ECLIPSE. Intended use as pilot boat off Savannah. | |
| SP | 418 | ARAMIS | YACHT;MO | PY | 375 | 157.5 | 1916 | 3.7.1917 | 13.11.1933 | Sold | Ex merc. ARAMIS. To PY-7 17 Jul 20; to District Unclassified ca. 1924 | |
| SP | 423 | GRETCHEN | MOTOR BT | YP | 84 | 106 | 30.7.1917 | 1.11.1917 | RTO | Ex merc. GRETCHEN. | ||
| SP | 424 | NEMES | MOTOR BT | YP | 18 | 1909 | 10.7.1917 | 21.8.1917 | Lost | Ex merc. NEMES. Burned after explosion. | ||
| SP | 425 | MINERVA | MOTOR BT | YP | 55 | 1914 | 7.5.1917 | 14.1.1919 | RTO | Ex merc. MINERVA. | ||
| SP | 426 | SEQUOYAH | FISH | YP | 15 | 1905 | 18.5.1917 | 29.1.1919 | RTO | Ex merc. SEQUOYAH. To USS SP-426 11 Apr 18. Also listed as motor boat. | ||
| SP | 427 | SENECA | YACHT;ST | PYC | 157 | 150 | 1888 | 7.5.1917 | 6.1.1919 | RTO | Ex merc. SENECA. To USS SP-427 11 Apr 18. | |
| SP | 428 | MYSTERY | MOTOR BT | YP | 26 | 1917 | 24.7.1917 | 11.1.1919 | RTO | Ex merc. MYSTERY. Designed as subchaser. | ||
| SP | 429 | W.T.JAMES | FISH | YP | 276 | 1912 | 28.5.1917 | 28.4.1919 | Lost | Ex merc. W. T. JAMES. | ||
| SP | 431 | VENETIA | YACHT;ST | PY | 589 | 226 | 1904 | 4.8.1917 | RTO | Ex merc. VENETIA. | ||
| SP | 436 | GAIVOTA | STEAM BT | YP | 74 | 91.75 | 8.6.1917 | 14.5.1918 | RTO | Ex merc. GAIVOTA. 20 years old when inspected. | ||
| SP | 437 | GREYHOUND | MOTOR BT | YP | 40 | 1916 | 2.7.1917 | 2.7.1919 | Sold | Ex merc. GREYHOUND. | ||
| SP | 438 | JESSAMINE | MOTOR BT | YP | 57 | 1907 | 2.7.1917 | 2.12.1919 | USCG | Ex merc. JESSAMINE. To USS SP-438 11 Apr 18. | ||
| SP | 439 | KANISED | MOTOR BT | YP | 61 | 1909 | 8.5.1917 | 13.12.1919 | Sold | Ex merc. KANISED, TUSCANOLA, NAHEMOKA. | ||
| SP | 444 | BEAUMERE II | MOTOR BT | YP | 12 | 1914 | 28.7.1917 | 24.2.1919 | RTO | Ex merc. BEAUMERE II, ex MADGE II. | ||
| SP | 448 | WENDY | MOTOR BT | YP | 24 | 1913 | 1.7.1917 | 9.12.1918 | RTO | Ex merc. WENDY. | ||
| SP | 450 | WEEPOOSE | MOTOR BT | YP | 24 | 1911 | 2.7.1917 | 28.9.1920 | Trf. | Ex merc. WEEPOOSE. Trf. to Dept. of Agric. | ||
| SP | 451 | AUDWIN | MOTOR BT | YP | 13 | 1911 | 30.6.1917 | 27.3.1919 | C&GS | Ex merc. AUDWIN. | ||
| SP | 453 | AMEERA | MOTOR BT | YP | 28 | 1917 | 23.7.1917 | 27.4.1920 | Sold | Ex merc. AMEERA. | ||
| SP | 455 | ANADO | MOTOR BT | YP | 33 | 1917 | 8.7.1917 | 26.2.1919 | RTO | Ex merc. ANADO. | ||
| SP | 459 | GENEVIEVE | FISH | YP | 95 | 1895 | 19.9.1918 | 20.11.1919 | Sold | Ex merc. GENEVIEVE. Fishing boat. | ||
| SP | 460 | AURORE II | MOTOR BT | YP | 85 | 96.3 | 1916 | 10.8.1917 | 24.9.1919 | Sold | Ex merc. AURORE II (AURORE). To USS SP-460 11 Apr 18. | |
| SP | 463 | YO HO | MOTOR BT | YP | 15 | 1910 | 12.5.1917 | 2.6.1919 | Sold | Ex merc. YO HO. Sold for junk. | ||
| SP | 465 | BLUE BIRD | MOTOR BT | YP | 36 | 1911 | 25.6.1917 | 7.2.1919 | RTO | Ex merc. BLUE BIRD, ex PARTHENIA. | ||
| SP | 469 | TANGIER | MOTOR BT | YP | 7 | 18.5.1917 | 22.10.1918 | RTO | Ex merc. TANGIER. Owner: Fish. Comm. Va. | |||
| SP | 470 | ST.SEBASTIAN | MOTOR BT | YP | 16 | 25.6.1917 | 11.9.1919 | Lost | Ex merc. ST. SEBASTIAN. Wrecked in hurricane, stk. again 4 Oct 19. | |||
| SP | 471 | SYLVIA | MOTOR BT | YP | 17 | 15.6.1917 | 11.9.1919 | Lost | Ex merc. SYLVIA. To USS SP-471 11 Apr 18. Wrecked in hurricane at Key West. | |||
| SP | 484 | BABETTE II | MOTOR BT | YP | 25 | 1917 | 18.8.1917 | 17.1.1919 | RTO | Ex merc. BABETTE II, ex (SEABURY) HULL 2543. | ||
| SP | 485 | JOHN B.HINTON | MENHADEN | YP | 309 | 1912 | 14.6.1917 | Sold | Ex merc. JOHN B. HINTON. Decomm. 8 Sep 19 for sale abroad. | |||
| SP | 493 | WINFIELD S.CAHILL | MENHADEN | YP | 299 | 1912 | 4.6.1917 | Sold | Ex merc. WINFIELD S. CAHILL. To merc. ERACLEA. Sold in Morocco Sep 19. | |||
| SP | 498 | WILLIAMS 18 | MOTOR BT | YP | 41 | 1907 | 25.7.1917 | 18.12.1918 | RTO | Ex merc. WILLIAMS 18, ex GRAYLING. To USS SP-498 11 Apr 18. | ||
| SP | 503 | FRANCES II | MOTOR BT | YP | 16 | 4.6.1917 | 21.11.1918 | RTO | Ex merc. FRANCES II. | |||
| SP | 505 | SEA TAG | MOTOR BT | YP | 13 | 1917 | 9.7.1917 | 7.3.1919 | RTO | Ex merc. SEA TAG. 'Built to conform ... to the spec for this service.' | ||
| SP | 506 | RACCOON | MOTOR BT | YP | 16 | 1915 | 17.5.1917 | 17.1.1919 | RTO | Ex merc. RACCOON. | ||
| SP | 507 | MACHIGONNE | YACHT | PYC | 195 | 140 | 1909 | 17.5.1917 | 10.6.1919 | Sold | Ex merc. MACHIGONNE. To USS SP-507 11 Apr 18. | |
| SP | 508 | RAAZOO | MOTOR BT | YP | 22 | 1916 | 2.6.1917 | 3.5.1919 | RTO | Ex merc. RAAZOO, ex BOOMERANG II. | ||
| SP | 509 | HENRY P.WILLIAMS | YACHT;ST | PYC | 118 | 128.8 | 1896 | 27.6.1917 | 26.12.1918 | RTO | Ex merc. H.. P. WILLIAMS, ex USS ONEIDA (sold 21 Mar 16), ex ILLAWARRA (not ILLAWANA). To USS SP-509 11 Apr 18. | |
| SP | 510 | SUZANNE | MOTOR BT | YP | 123 | 110 | 1908 | 18.5.1917 | 28.12.1918 | RTO | Ex merc. SUZANNE, ESPERANGA, CHRISTINE. | |
| SP | 511 | ALERT | MOTOR BT | YP | 39 | 1913 | 12.5.1917 | 30.11.1918 | RTO | Ex merc. ALERT. To USS SP-511 11 Apr 18. | ||
| SP | 512 | GUINEVERE | YACHT;ST | PY | 499 | 176 | 1908 | 10.6.1917 | 25.1.1918 | Lost | Ex merc. GUINEVERE. 3-masted schooner rig. | |
| SP | 516 | ACTUS | YACHT;ST | PYC | 99 | 120 | 1907 | 26.5.1917 | 20.7.1920 | Army | Ex merc. ACTUS, ex HALAWA. | |
| SP | 517 | NAUSHON | YACHT | PYC | 135 | 154.3 | 1895 | 14.8.1917 | 17.11.1920 | Sold | Ex merc. NAUSHON, NORMAN, ONEONTA. Lengthened 1900. | |
| SP | 518 | SURF | YACHT;ST | PY | 398 | 198 | 1898 | 29.9.1917 | RTO | Ex merc. SURF. | ||
| SP | 519 | VERGANA | YACHT;ST | PYC | 126 | 147 | 1897 | 10.7.1917 | 19.4.1922 | Sold | Ex merc. VERGANA. | |
| SP | 520 | LU-O-LA | MOTOR BT | YP | 50 | 1912 | 24.8.1917 | 10.1.1919 | RTO | Ex merc. LU-O-LA. | ||
| SP | 521 | ISABEL | YACHT | PY | 930 | 245.3 | 25.3.1946 | BU | Ex merc. ISABEL. Rated as destroyer. To PY-10 17 Jul 20. | |||
| SP | 523 | NIGHTINGALE | MOTOR BT | YP | 14 | 11.6.1917 | 15.12.1919 | Sold | Ex merc. NIGHTINGALE. | |||
| SP | 524 | MARGARET | YACHT | PYC | 161 | 145 | 1913 | 28.4.1917 | 9.3.1920 | Army | Ex merc. MARGARET. To USS SP-524 11 Apr 18. | |
| SP | 525 | CHILHOWEE | YACHT;ST | PYC | 95 | 125 | 1898 | 12.7.1917 | 10.9.1919 | USCG | Ex merc. CHILHOWEE. | |
| SP | 527 | MARGARET | YACHT | PY | 245 | 176 | 1899 | 14.8.1917 | 30.9.1921 | Sold | Ex merc. MARGARET, EUGENIA, MARJORIE. Rebuilt 1913. | |
| SP | 529 | KESTREL II | MOTOR BT | YP | 99 | 108 | 1912 | 24.6.1917 | 11.1.1919 | RTO | Ex merc. KESTREL II. | |
| SP | 530 | RAYMOND J.ANDERTON | MENHADEN | YP | 290 | 1911 | 15.6.1917 | Sold | Ex merc. RAYMOND J. ANDERTON. Decomm. 8 Sep 19 for sale abroad. | |||
| SP | 531 | MARGARET | SCHR;AUX | YP | 58 | 1903 | 11.6.1917 | 13.12.1919 | Sold | Ex merc. MARGARET, ex SAVARONA I. To USS SP-531 11 Apr 18. | ||
| SP | 533 | PALOMA | MOTOR BT | YP | 52 | 1914 | 18.5.1917 | Sold | Ex merc. PALOMA. Stk. 19 Jul 19. | |||
| SP | 534 | SHARK | MOTOR BT | YP | 30 | 1909 | 17.5.1917 | 20.10.1919 | Sold | Ex merc. SHARK, ex ILDICO IV. | ||
| SP | 535 | VALIANT | SAIL;AUX | YP | 19 | 1896 | 12.5.1917 | 19.4.1918 | RTO | Ex merc. VALIANT. Sloop. Found unsuitable but taken over. | ||
| SP | 536 | BELUGA | MOTOR BT | YP | 42 | 1911 | 14.5.1917 | 25.11.1918 | RTO | Ex merc. BELUGA, ex GAVIOTA. | ||
| SP | 537 | ESTELLA | MOTOR BT | YP | 52 | 1912 | 17.5.1917 | 16.1.1920 | Sold | Ex merc. ESTELLA. | ||
| SP | 538 | CONTENT | MOTOR BT | YP | 38 | 1912 | 12.5.1917 | 3.2.1919 | RTO | Ex merc. CONTENT, ex DOLPH II. | ||
| SP | 539 | EUPHEMIA | MOTOR BT | YP | 50 | 1898 | 21.6.1917 | 18.2.1920 | Sold | Ex merc. EUPHEMIA. | ||
| SP | 540 | BONITA | MOTOR BT | YP | 46 | 17.5.1917 | 26.11.1918 | Lost | Ex merc. BONITA. | |||
| SP | 541 | ADMIRAL | MOTOR BT | YP | 35 | 1913 | 1.5.1917 | 21.4.1919 | USCG | Ex merc. ADMIRAL. | ||
| SP | 542 | ETTA M.BURNS | SCHR;AUX | YP | 40 | 1902 | 30.4.1917 | 3.2.1919 | RTO | Ex merc. ETTA M. BURNS. | ||
| SP | 543 | SIALIA | YACHT;ST | PY | 552 | 207 | 1914 | 10.6.1917 | 12.4.1920 | Sold | Ex merc. SIALIA. To C&GS 6 Oct 19-15 Mar 20. | |
| SP | 544 | SEA GULL | MOTOR BT | YP | 58.5 | 23.11.1918 | RTO | Ex merc. SEA GULL. To USS SP-544 11 Apr 18. | ||||
| SP | 545 | IDAHO | MOTOR BT | YP | 24 | 1907 | 12.7.1917 | 30.11.1918 | RTO | Ex merc. IDAHO. To USS SP-545 11 Apr 18. | ||
| SP | 546 | PETREL | MOTOR BT | YP | 45 | 14.5.1917 | 2.9.1919 | Sold | Ex merc. PETREL. To USS SP-546 11 Apr 18, to USS THRASHER 1 Aug 18. | |||
| SP | 548 | WACHUSETTS | FISH | YP | 65 | 26.4.1917 | Trf. | Ex merc. WACHUSETTS, ex W. C. T. U. To USS SP-548 11 Apr 18. Trf. to Bu. of Fisheries. Stk. 25 Oct 19. | ||||
| SP | 549 | EDOREA | MOTOR BT | PYC | 104 | 137.3 | 1909 | 27.7.1917 | 10.12.1918 | RTO | Ex merc. EDOREA, ex MONALOA. | |
| SP | 550 | FLI HAWK | MOTOR BT | YP | 35 | 1912 | 10.5.1917 | 8.2.1919 | RTO | Ex merc. FLI HAWK. | ||
| SP | 551 | SHAD | MOTOR BT | YP | 17 | 1907 | 15.5.1917 | 10.9.1919 | Sold | Ex merc. SHAD. | ||
| SP | 556 | COZY | MOTOR BT | YP | 9 | 15.11.1917 | 20.12.1918 | RTO | Ex merc. COZY. | |||
| SP | 559 | NAUTILUS II | MOTOR BT | YP | 23 | 1917 | 17.8.1917 | 14.2.1919 | RTO | Ex merc. NAUTILUS II, ex NO. 74 (Kyle & Purdy). | ||
| SP | 560 | ASTREA | MOTOR BT | YP | 12 | 1916 | 21.6.1917 | 31.3.1920 | Sold | Ex merc. ASTREA. | ||
| SP | 561 | TAMARACK | MOTOR BT | YP | 47 | 1915 | 25.6.1917 | 21.2.1919 | RTO | Ex merc. TAMARACK. | ||
| SP | 562 | WILD GOOSE | MOTOR BT | YP | 60 | 1913 | 21.4.1917 | 17.11.1920 | Sold | Ex merc. WILD GOOSE. Loan Norfolk 21 Jun 20-24 Aug 20 (loan canc.). To District Unclassified ca. 17 Jul 20. | ||
| SP | 563 | MAGNET | MOTOR BT | YP | 76 | 1910 | 11.6.1917 | 16.1.1920 | Sold | Ex merc. MAGNET. Rebuilt 1916. | ||
| SP | 566 | GROSBEAK | MOTOR BT | YP | 38 | 1916 | 17.4.1917 | 31.3.1920 | Sold | Ex merc. GROSBEAK. | ||
| SP | 567 | MIST | STEAM BT | YP | 13 | 1904 | 12.5.1917 | 3.2.1919 | RTO | Ex merc. MIST. | ||
| SP | 570 | AGAWAM | MOTOR BT | YP | 40 | 5.5.1917 | 15.8.1919 | RTO | Ex merc. AGAWAM. To USS NATICK 19 Aug 18. | |||
| SP | 572 | LONG ISLAND | FISH | YP | 390 | 1912 | 18.5.1917 | 1.12.1919 | Sold | Ex merc. LONG ISLAND. | ||
| SP | 573 | EAST HAMPTON | FISH | YP | 407 | 1913 | 18.4.1917 | 14.6.1920 | Sold | Ex merc. EAST HAMPTON. | ||
| SP | 575 | CYTHERA | YACHT | PY | 1000 | 215 | 1907 | 20.10.1917 | 19.3.1919 | RTO | Ex merc. CYTHERA, ex AGAWA. Became PY-26 in WW2. | |
| SP | 577 | ARCADY | YACHT | PYC | 167 | 140 | 1898 | 28.5.1917 | Sold | Ex merc. ARCADY. Stk. 17 May 19. | ||
| SP | 578 | ENAJ | STEAM BT | YP | 92 | 89.3 | 1909 | 12.6.1917 | 31.12.1918 | RTO | Ex merc. ENAJ. | |
| SP | 579 | GET THERE | MOTOR BT | YP | 15 | 1916 | 14.7.1917 | 13.3.1919 | RTO | Ex merc. GET THERE. | ||
| SP | 580 | SHADA | MOTOR BT | YP | 66 | 96 | 1908 | 28.4.1917 | 23.4.1919 | RTO | Ex merc. SHADA. | |
| SP | 581 | XARIFA | YACHT | PY | 378 | 192 | 1894 | 9.8.1917 | 4.5.1919 | RTO | Ex merc. XARIFA, ex OPHELIE. Composite sail yacht with auxiliary steam. | |
| SP | 582 | HALCYON II | YACHT;ST | PYC | 161 | 140 | 1907 | 27.8.1917 | 4.12.1919 | Sold | Ex merc. HALCYON (USS HALCYON II). To USS SP-582 11 Apr 18. | |
| SP | 583 | VIVACE | STEAM BT | YP | 45 | 29.6.1917 | 16.4.1919 | Sold | Ex merc. VIVACE. Sold as junk. | |||
| SP | 584 | DREADNOUGHT | MOTOR BT | YP | 32 | 17.5.1917 | 6.6.1919 | RTO | Ex merc. DREADNOUGHT. To USS SP-584 11 Apr 18. | |||
| SP | 585 | HELIANTHUS | MOTOR BT | YP | 37 | 1912 | 11.6.1917 | 28.3.1919 | C&GS | Ex merc. HELIANTHUS. | ||
| SP | 586 | ALPHA | MOTOR BT | YP | 10 | 1911 | 19.5.1917 | 26.8.1919 | Sold | Ex merc. ALPHA. | ||
| SP | 587 | SAYONARA II | MOTOR BT | YP | 46 | 1916 | 28.4.1917 | 10.4.1919 | RTO | Ex merc. SAYONARA II. | ||
| SP | 588 | RAEO | MOTOR BT | YP | 46 | 1908 | 19.5.1917 | 17.10.1919 | Trf. | Ex merc. RAEO. Trf. to Bu. of Fisheries. | ||
| SP | 590 | AZTEC | YACHT;ST | PY | 848 | 260 | 1902 | 29.6.1917 | 7.8.1919 | RTO | Ex merc. AZTEC. | |
| SP | 591 | MIRAMAR | MOTOR BT | PYC | 115 | 1910 | 18.5.1917 | 18.12.1918 | RTO | Ex merc. MIRAMAR. | ||
| SP | 592 | VALEDA | MOTOR BT | YP | 19 | 1908 | 9.7.1917 | 2.1.1920 | Sold | Ex merc. VALEDA. | ||
| SP | 593 | ARTEMIS | YACHT;ST | PY | 456 | 177.5 | 1912 | 7.8.1917 | 5.5.1919 | C&GS | Ex merc. ARTEMIS, ex CRISTINA. To USS ARCTURUS 20 Feb 18. | |
| SP | 594 | KUWANA II | MOTOR BT | YP | 55 | 1911 | 4.6.1917 | 5.12.1918 | RTO | Ex merc. KUWANA II. | ||
| SP | 596 | PETE | MOTOR BT | YP | 29 | 28.4.1917 | 26.3.1918 | RTO | Ex merc. PETE. | |||
| SP | 597 | RICKWOOD | MOTOR BT | YP | 40 | 1910 | 18.6.1917 | 3.3.1919 | RTO | Ex merc. RICKWOOD, ex ETHEL M. WARD. | ||
| SP | 598 | FEARLESS | MOTOR BT | YP | 15 | 1909 | 27.4.1917 | 3.12.1918 | RTO | Ex merc. FEARLESS. To USS SP-598 11 Apr 18. | ||
| SP | 599 | AKBAR | MOTOR BT | YP | 25 | 1915 | 17.5.1917 | 2.1.1920 | Sold | Ex merc. AKBAR. | ||
| SP | 600 | GURKHA | MOTOR BT | YP | 30 | 1915 | 21.4.1917 | 25.6.1929 | USCG | Ex merc. GURKHA. | ||
| SP | 602 | JUNIATA | YACHT;MO | PYC | 142 | 139.5 | 1910 | 1.6.1917 | 25.7.1918 | RTO | Ex merc. JUNIATA. | |
| SP | 605 | SKINK | MOTOR BT | YP | 10 | 1917 | 30.6.1917 | 24.2.1919 | RTO | Ex merc. SKINK. | ||
| SP | 609 | NOKOMIS | YACHT | PY | 872 | 243 | 1917 | 1.6.1917 | Ex merc. NOKOMIS II (to 19 Nov 17). To PY-6 17 Jul 20. Stk. 25 May 38. | |||
| SP | 610 | NELANSU | MOTOR BT | YP | 15 | 20.7.1917 | 30.11.1918 | RTO | Ex merc. NELANSU. (Ex U. S. KENT?). Decom. week of 30 Nov for RTO. | |||
| SP | 612 | DOHEMA JR. | MOTOR BT | YP | 23 | 1912 | 2.6.1917 | 27.11.1918 | RTO | Ex merc. DOHEMA JR. | ||
| SP | 614 | MARGARET O | MOTOR BT | YP | 20 | 1915 | 13.9.1917 | 24.4.1919 | RTO | Ex merc. MARGARET O. To USS SP-614 11 Apr 18. | ||
| SP | 615 | SAXIS | MOTOR BT | YP | 48 | 7.7.1917 | Lost | Ex merc. SAXIS. Owner: Va. Fish Comm. | ||||
| SP | 616 | VENTURE | MOTOR BT | YP | 48 | 1907 | 28.4.1917 | 6.2.1919 | RTO | Ex merc. VENTURE, ex SHADOW. | ||
| SP | 617 | YACONA | YACHT;ST | PY | 527 | 211 | 1898 | 29.9.1917 | 27.7.1921 | Army | Ex merc. YACONA, ex CEM, AMELIA. Trf. War Dept (Philippine Govt.) | |
| SP | 623 | BETTY M II | MOTOR BT | YP | 19 | 1916 | 4.9.1917 | 17.3.1919 | RTO | Ex merc. BETTY M II. | ||
| SP | 624 | EDITHENA | MOTOR BT | YP | 57 | 1914 | 11.6.1917 | Trf. | Ex merc. EDITHENA. Trf. to Bu. of Fisheries. Stk. 21 Oct 19. | |||
| SP | 625 | DORIS B IV | MOTOR BT | YP | 33 | 1917 | 17.4.1917 | 21.11.1919 | Trf. | Ex merc. DORIS B IV. Trf. to USPHS. | ||
| SP | 626 | COBRA | MOTOR BT | YP | 15 | 1917 | 19.9.1917 | 9.9.1919 | Trf. | Ex merc. COBRA. Trf. to Bu. of Fisheries. | ||
| SP | 630 | ALCALDA | MOTOR BT | YP | 77 | 1910 | 12.5.1917 | 11.1.1919 | RTO | Ex merc. ALCALDA. | ||
| SP | 632 | CALYPSO | MOTOR BT | YP | 16 | 1909 | 23.6.1917 | 9.9.1919 | Trf. | Ex merc. CALYPSO. Trf. to Bu. of Fisheries. | ||
| SP | 633 | CONSTANCE II | MOTOR BT | YP | 41 | 1914 | 6.7.1917 | 5.9.1922 | Boat | Ex merc. CONSTANCE II. To Dist. Craft when stk. 5 Sep 22. Reclas. small boat. | ||
| SP | 635 | FERN | MOTOR BT | YP | 24 | 1906 | 20.8.1917 | 18.1.1919 | RTO | Ex merc. FERN. To USS SP-635 11 Apr 18. | ||
| SP | 636 | LOMADO | MOTOR BT | YP | 67 | 69 | 1916 | 29.5.1917 | Sold | Ex merc. LOMADO. Stk. 17 May 19. | ||
| SP | 639 | DIANTHUS | MOTOR BT | YP | 60 | 1913 | 21.5.1917 | 26.11.1918 | RTO | Ex merc. DIANTHUS. | ||
| SP | 642 | FELICIA | YACHT | PY | 213 | 179 | 1898 | 21.6.1917 | 25.3.1920 | Sold | Ex merc. FELICIA. | |
| SP | 643 | JOY | MOTOR BT | YP | 41 | 1905 | 28.5.1917 | 5.7.1918 | RTO | Ex merc. JOY, ex DODGER. | ||
| SP | 644 | CHINOOK | MOTOR BT | YP | 40 | 19.10.1917 | 1.8.1918 | RTO | Ex merc. CHINOOK. | |||
| SP | 645 | SHRIMP | MOTOR BT | YP | 35 | 14.5.1917 | 30.11.1918 | RTO | Ex merc. SHRIMP. | |||
| SP | 646 | TRAMP | STEAM BT | YP | 27 | 1901 | 13.7.1917 | 28.3.1919 | Sold | Ex merc. TRAMP. | ||
| SP | 647 | CALIFORNIA | MOTOR BT | YP | 34 | 1910 | 10.7.1917 | 23.11.1918 | RTO | Ex merc. CALIFORNIA. To USS SP-647 11 Apr 18. | ||
| SP | 649 | NEEDLE | MOTOR BT | YP | 22 | 1906 | 9.6.1917 | 16.9.1919 | Sold | Ex merc. NEEDLE. | ||
| SP | 650 | HUPA | MOTOR BT | YP | 5 | 1905 | 9.6.1917 | 12.3.1920 | Sold | Ex merc. HUPA. | ||
| SP | 654 | HIPPOCAMPUS | MOTOR BT | YP | 23 | 1913 | 21.6.1917 | 5.4.1919 | RTO | Ex merc. HIPPOCAMPUS. Decom. in week of 30 Nov 18 for RTO. | ||
| SP | 656 | COMMODORE MAURY | FISH | YP | 79 | 1894 | 18.5.1917 | 26.10.1918 | RTO | Ex merc. COMMODORE MAURY. Listed as a fishing steamer, also as a steam yacht of the Fish Comm. of Va. | ||
| SP | 657 | MISS ANNE II | MOTOR BT | YP | 41 | 3.7.1917 | 13.6.1919 | C&GS | Ex merc. MISS ANNE II. | |||
| SP | 658 | PAULINE | MOTOR BT | YP | 8 | 28.6.1917 | 28.1.1919 | RTO | Ex merc. PAULINE. | |||
| SP | 659 | OWAISSA | MOTOR BT | YP | 64 | 77.75 | 1912 | 11.7.1917 | 3.1.1919 | RTO | Ex merc. OWAISSA, ex MARIS. | |
| SP | 660 | KATIE | MOTOR BT | YP | 15 | 1915 | 18.5.1917 | 22.10.1918 | RTO | Ex merc. KATIE, ex OWAISSA [See SP-659]. Owner: Fish Comm. Va. | ||
| SP | 661 | LADY BETTY | MOTOR BT | YP | 16 | 1913 | 11.6.1917 | 9.12.1918 | RTO | Ex merc. LADY BETTY. | ||
| SP | 662 | POLITESSE | MOTOR BT | YP | 30 | 1911 | 17.4.1917 | 29.5.1919 | RTO | Ex merc. POLITESSE. | ||
| SP | 663 | CHANTICLEER | MOTOR BT | YP | 5 | 21.5.1917 | 25.11.1918 | RTO | Ex merc. CHANTICLEER. | |||
| SP | 664 | TUNA | MOTOR BT | YP | 81 | 98 | 1911 | 11.6.1917 | 11.1.1919 | RTO | Ex merc. TUNA. | |
| SP | 665 | CELERITAS | MOTOR BT | YP | 26 | 1916 | 28.5.1917 | 25.6.1919 | Sold | Ex merc. CELERITAS. | ||
| SP | 666 | NATOMA | MOTOR BT | PYC | 112 | 120 | 1913 | 4.7.1917 | 14.4.1919 | C&GS | Ex merc. NATOMA. A letter of 20 Dec 34 reported her beyond economical repair. | |
| SP | 669 | VENCEDOR | MOTOR BT | YP | 90 | 90 | 1909 | 19.6.1917 | 25.2.1919 | RTO | Ex merc. VENCEDOR, ex TEKLA. | |
| SP | 670 | NORTHAMPTON | MOTOR BT | YP | 38 | 18.5.1917 | 19.12.1917 | RTO | Ex merc. NORTHAMPTON. | |||
| SP | 671 | PARTHENIA | YACHT | PYC | 144 | 131 | 1903 | 18.8.1917 | 17.8.1920 | Sold | Ex merc. PARTHENIA. | |
| SP | 672 | MIRAMAR | MOTOR BT | YP | 44 | 1907 | 18.8.1917 | 30.12.1918 | RTO | Ex merc. MIRAMAR, ex LILLIAN II. To USS SP-672 11 Apr 18. | ||
| SP | 673 | TRILBY | MOTOR BT | YP | 37 | 29.6.1917 | 5.7.1918 | RTO | Ex merc. TRILBY. | |||
| SP | 675 | PATTINA | MOTOR BT | YP | 31 | 1916 | 10.9.1917 | 19.2.1919 | RTO | Ex merc. PATTINA. | ||
| SP | 676 | LYDIA III | MOTOR BT | YP | 24 | 1913 | 16.6.1917 | 21.5.1920 | Sold | Ex merc. LYDIA III. To C&GS 9 Apr 19. | ||
| SP | 677 | ELEANOR | MOTOR BT | YP | 18 | 1910 | 30.6.1917 | 14.4.1919 | RTO | Ex merc. ELEANOR, ex TRINGA. | ||
| SP | 680 | ARDENT | MENHADEN | YP | 293 | 1902 | 11.6.1917 | 16.5.1921 | Sold | Ex merc. ARDENT. Strike of 22 Aug 19 cancelled. To District Unclassified ca. 17 Jul 20. Also listed as tug. | ||
| SP | 681 | BREAKWATER | MENHADEN | YP | 140 | 1907 | 18.5.1917 | 31.3.1921 | Sold | Ex merc. BREAKWATER. Also listed as tug. | ||
| SP | 682 | MARY B.GARNER | MENHADEN | YP | 252 | 1912 | 30.4.1917 | Sold | Ex merc. MARY B. GARNER. Stk. 2 Jul 19. | |||
| SP | 683 | MCKEEVER BROTHERS | MENHADEN | YP | 223 | 1911 | 18.5.1917 | 1.7.1919 | Sold | Ex merc. MCKEEVER BROTHERS. Also listed as tug used as minesweeper. | ||
| SP | 684 | EDWARD J.MCKEEVER, JR | MENHADEN | YP | 223 | 1910 | 18.5.1917 | Sold | Ex merc. EDWARD J. MCKEEVER, JR. Also listed as tug used as minesweeper. Probably sister to SP-683 and SP-1169. Stk. 27 Mar 19. | |||
| SP | 685 | SUSSEX | FISH | YP | 67 | 1913 | 5.5.1917 | 16.1.1920 | Sold | Ex merc. SUSSEX. | ||
| SP | 686 | VESTER | MENHADEN | YP | 117 | 1876 | 24.5.1917 | 15.1.1920 | Sold | Ex merc. VESTER. | ||
| SP | 687 | SATILLA | YACHT;ST | PYC | 106 | 128 | 1902 | 17.5.1917 | 25.3.1920 | Sold | Ex merc. SATILLA. | |
| SP | 688 | ZENDA | MOTOR BT | YP | 48 | 1912 | 19.5.1917 | 30.1.1919 | RTO | Ex merc. ZENDA. | ||
| SP | 689 | UNCAS | MOTOR BT | YP | 13 | 1917 | 28.6.1917 | 31.12.1918 | RTO | Ex merc. UNCAS. To USS SP-689 11 Apr 18. | ||
| SP | 690 | POLLY | MOTOR BT | YP | 28 | 1909 | 14.5.1917 | 9.9.1919 | Trf. | Ex merc. POLLY, HOWMORNEL, KAHKIN IV. Trf. to Bu. of Fisheries. | ||
| SP | 691 | F.MANSFIELD & SONS CO | FISH | YP | 214 | 1912 | 25.5.1917 | 28.10.1919 | Trf. | Ex merc. F. MANSFIELD & SONS CO. Trf. to USLHS. Oyster boat, also listed as tug used as minesweeper. | ||
| SP | 692 | JAYDEE III | MOTOR BT | YP | 45 | 1916 | 19.5.1917 | 7.3.1919 | RTO | Ex merc. JAYDEE III. | ||
| SP | 693 | AMAGANSETT | MENHADEN | YP | 145 | 1879 | 18.5.1917 | 12.3.1919 | RTO | Ex merc. AMAGANSETT. | ||
| SP | 694 | ANNIE E.GALLUP | FISH | YP | 141 | 18.8.1917 | 20.5.1918 | Lost | Ex merc. ANNIE E. GALLUP. Wrecked. | |||
| SP | 695 | COSSACK | MOTOR BT | YP | 22 | 1916 | 21.4.1917 | 22.11.1919 | USCG | Ex merc. COSSACK. | ||
| SP | 696 | CHARMIAN II | MOTOR BT | YP | 23 | 29.5.1917 | 25.11.1918 | RTO | Ex merc. CHARMIAN II. | |||
| SP | 699 | PAWNEE | YACHT;ST | PYC | 75 | 114 | 1904 | 26.6.1917 | 12.7.1921 | Sold | Ex merc. PAWNEE, ex MONALOA II. To USS SP-699 11 Apr 18. | |
| SP | 700 | LYDONIA | YACHT;ST | PY | 497 | 181 | 1912 | 21.8.1917 | 7.8.1919 | C&GS | Ex merc. LYDONIA. | |
| SP | 701 | DIXIE III | MOTOR BT | YP | 27 | 1911 | 1.8.1917 | 7.5.1919 | RTO | Ex merc. DIXIE III. To USS SP-701 11 Apr 18. | ||
| SP | 702 | POMANDER | MOTOR BT | YP | 5 | 29.5.1917 | 5.7.1918 | RTO | Ex merc. POMANDER. | |||
| SP | 703 | CAPRICE | MOTOR BT | YP | 10 | 1914 | 8.5.1917 | 24.1.1919 | RTO | Ex merc. CAPRICE. | ||
| SP | 704 | BARBARA | MOTOR BT | YP | 15 | 1910 | 11.6.1917 | 10.1.1919 | RTO | Ex merc. BARBARA. | ||
| SP | 705 | LEXINGTON II | MOTOR BT | YP | 27 | 1911 | 11.6.1917 | 21.11.1918 | RTO | Ex merc. LEXINGTON II. To USS SP-705 11 Apr 18. | ||
| SP | 706 | NIRVANA | MOTOR BT | YP | 31 | 1915 | 21.5.1917 | 20.1.1919 | RTO | Ex merc. NIRVANA, ex TARPON II. To USS SP-706 11 Apr 18. | ||
| SP | 707 | ENDION | MOTOR BT | YP | 61 | 1898 | 17.5.1917 | 19.3.1921 | Sold | Ex merc. ENDION. | ||
| SP | 708 | ELSIE III | MOTOR BT | YP | 24 | 1912 | 1.6.1917 | 21.4.1919 | C&GS | Ex merc. ELSIE III. | ||
| SP | 710 | SAPPHIRE | STEAM BT | YP | 36 | 1900 | 13.7.1917 | 16.12.1918 | RTO | Ex merc. SAPPHIRE. | ||
| SP | 711 | KIOWA | MOTOR BT | YP | 35 | 18.5.1917 | 30.11.1918 | RTO | Ex merc. KIOWA. To USS SP-711 11 Apr 18. | |||
| SP | 712 | RUSH | MOTOR BT | YP | 36.5 | 10.12.1917 | Lost | Ex merc. RUSH. Wrecked. Salvaged, sold Oct 19. | ||||
| SP | 713 | SCARPE | MOTOR BT | YP | 36 | 17.5.1917 | 16.5.1919 | RTO | Ex merc. SCARPE. | |||
| SP | 714 | GALATEA | YACHT | PY | 367 | 192 | 1914 | 26.7.1917 | 14.2.1922 | Sold | Ex merc. GALATEA. | |
| SP | 715 | KATHERINE | MOTOR BT | YP | 5 | 18.5.1917 | 22.10.1918 | RTO | Ex merc. KATHERINE. To USS SP-715 11 Apr 18. | |||
| SP | 721 | LINTA | YACHT | YP | 78 | 108 | 1905 | 3.7.1917 | 19.2.1919 | RTO | Ex merc. LINTA. | |
| SP | 723 | CALUMET | YACHT;ST | PYC | 153 | 147 | 1903 | 9.9.1917 | 11.1.1919 | RTO | Ex merc. CALUMET. | |
| SP | 726 | ORCA | STEAM BT | YP | 37 | 1901 | 17.5.1917 | 2.2.1920 | Sold | Ex merc. ORCA. | ||
| SP | 727 | SEVEN | MOTOR BT | YP | 20 | 29.6.1917 | 2.11.1918 | Dest | Ex merc. SEVEN. | |||
| SP | 728 | ONWARD II | MOTOR BT | YP | 14 | 23.6.1917 | 2.12.1918 | RTO | Ex merc. ONWARD II. To USS SP-728 11 Apr 18. | |||
| SP | 729 | APACHE | MOTOR BT | YP | 62.3 | 1917 | 23.5.1917 | 22.11.1919 | USCG | Ex merc. APACHE, ex HERRESHOFF 311. To USS SP-729 11 Apr 18. 62'4" type, designed for patrol work. | ||
| SP | 730 | LYNX II | MOTOR BT | YP | 22 | 58 | 1917 | 14.6.1917 | 2.9.1919 | Sold | Ex merc. LYNX II. To USS SP-730 11 Apr 18. Herreshoff 58' type, similar to 62'4" type. | |
| SP | 732 | LETTER B | MOTOR BT | YP | 40 | 1912 | 7.5.1917 | 29.4.1919 | RTO | Ex merc. LETTER B. | ||
| SP | 733 | DORIS B III | MOTOR BT | YP | 10 | 1912 | 20.6.1917 | 3.12.1918 | RTO | Ex merc. DORIS B III. | ||
| SP | 734 | LYNDONIA | YACHT | PY | 276 | 175 | 1907 | 5.9.1917 | 20.12.1921 | Sold | Ex merc. LYNDONIA. To USS VEGA 20 Feb 18. | |
| SP | 735 | MALAY | YACHT | PYC | 173 | 150 | 1898 | 28.4.1917 | 1.3.1919 | RTO | Ex merc. MALAY. | |
| SP | 737 | MAROLD | MOTOR BT | YP | 35 | 1914 | 1.7.1917 | 9.5.1919 | RTO | Ex merc. MAROLD. | ||
| SP | 738 | AJAX | MOTOR BT | PYC | 200 | 124.6 | 1917 | 12.10.1917 | 16.9.1919 | Sold | Ex merc. AJAX. To USS ROCKPORT 20 Feb 18. | |
| SP | 740 | SEE W.SEE | MOTOR BT | YP | 26 | 1915 | 18.6.1917 | 14.12.1918 | RTO | Ex merc. SEE W. SEE. | ||
| SP | 742 | GREEN DRAGON | MOTOR BT | YP | 17 | 1901 | 19.6.1917 | 25.2.1922 | Sold | Ex merc. GREEN DRAGON. | ||
| SP | 743 | TOXAWAY | MOTOR BT | YP | 9 | 1917 | 9.6.1917 | 2.12.1918 | RTO | Ex merc. TOXAWAY. | ||
| SP | 744 | VISION | MOTOR BT | YP | 13 | 1908 | 3.7.1917 | 22.1.1919 | RTO | Ex merc. VISION. To USS SP-744 11 Apr 18. | ||
| SP | 745 | EXPRESS 4 | MOTOR BT | YP | 9 | 1917 | 29.9.1917 | 23.1.1919 | RTO | Ex merc. EXPRESS 4. | ||
| SP | 746 | VIRGINIA | MOTOR BT | YP | 26 | 1906 | 28.6.1917 | 28.1.1919 | RTO | Ex merc. VIRGINIA. To USS SP-746 11 Apr 18. | ||
| SP | 747 | ESTELLE | MOTOR BT | YP | 43 | 18.5.1917 | 27.12.1933 | Sold | Ex merc. ESTELLE. To USS SP-747 11 Apr 18; loan ca. 1919 to Culver Mil. Acad. To District Unclassified ca. 17 Jul 20. | |||
| SP | 751 | ALBACORE | MOTOR BT | YP | 14 | 1900 | 10.7.1917 | 6.1.1919 | RTO | Ex merc. ALBACORE. | ||
| SP | 752 | ARVILLA | MOTOR BT | YP | 11 | 24.6.1917 | 12.3.1919 | RTO | Ex merc. ARVILLA. | |||
| SP | 756 | NORMANNIA | MOTOR BT | YP | 8 | 1912 | 10.7.1917 | 23.12.1918 | RTO | Ex merc. NORMANNIA. | ||
| SP | 757 | ROSA | MOTOR BT | YP | 19 | 1909 | 10.7.1917 | 6.1.1919 | RTO | Ex merc. ROSA. | ||
| SP | 765 | ADELANTE | YACHT | PYC | 142 | 125.6 | 1883 | 25.8.1918 | 25.3.1920 | Sold | Ex merc. ADELANTE, ONEIDA, UTOWANA. Also numbered SP-3086? | |
| SP | 771 | NAHMA | YACHT;ST | PY | 2900 | 319 | 1897 | 21.6.1917 | 19.7.1919 | RTO | Ex merc. NAHMA. Decomm. and RTO in UK. | |
| SP | 772 | COMET | FISH | YP | 107 | 1910 | 26.11.1917 | 23.8.1918 | RTO | Ex merc. COMET. | ||
| SP | 776 | ELLINGTON | MOTOR BT | YP | 22 | 1915 | 18.8.1917 | 26.2.1919 | Trf. | Ex merc. ELLINGTON. Trf. to Dept. of Labor. Owner: Bureau of Immigration. | ||
| SP | 781 | SEA OTTER | MOTOR BT | YP | 6 | 1913 | 11.6.1917 | 16.1.1920 | Sold | Ex merc. SEA OTTER. | ||
| SP | 782 | SHUR | MOTOR BT | YP | 48 | 1906 | 11.6.1917 | 4.12.1919 | Sold | Ex merc. SHUR, ex TYCHE. | ||
| SP | 783 | HOBO II | MOTOR BT | YP | 24 | 1905 | 22.6.1917 | 17.2.1919 | RTO | Ex merc. HOBO II. | ||
| SP | 784 | WHISTLER | MOTOR BT | YP | 20 | 1917 | 17.5.1917 | 2.7.1919 | Sold | Ex merc. WHISTLER. | ||
| SP | 786 | DESIRE | MOTOR BT | YP | 73 | 90 | 1913 | 7.6.1917 | 2.1.1919 | RTO | Ex merc. DESIRE. | |
| SP | 787 | MARPESSA | MOTOR BT | YP | 17 | 1916 | 18.8.1917 | 10.1.1919 | RTO | Ex merc. MARPESSA. | ||
| SP | 789 | DIXIE | MOTOR BT | YP | 52 | 1906 | 21.6.1920 | Trf. | Ex merc. DIXIE. To USS SP-789 11 Apr 18. Trf. to Dept. of Commerce. | |||
| SP | 790 | ENTERPRISE | MOTOR BT | YP | 16 | 1917 | 25.9.1917 | 2.8.1919 | Trf. | Ex merc. ENTERPRISE. Trf. to Bu. of Fisheries. | ||
| SP | 791 | E.BENSON DENNIS | FISH | YP | 100 | 1901 | 14.5.1917 | 12.3.1919 | RTO | Ex merc. E. BENSON DENNIS. | ||
| SP | 803 | ITASCA II | MOTOR BT | YP | 85 | 99.7 | 1911 | 29.5.1918 | 6.1.1919 | RTO | Ex merc. ITASCA II. | |
| SP | 810 | ITASCA | MOTOR BT | YP | 43 | 1908 | 20.8.1917 | 26.2.1919 | RTO | Ex merc. ITASCA. To USS SP-810 11 Apr 18. | ||
| SP | 812 | CAROLA IV | YACHT;ST | PY | 240 | 167 | 1885 | 10.6.1917 | 19.12.1919 | Sold | Ex merc. CAROLA IV. Sold abroad. | |
| SP | 813 | CORONA | YACHT | PY | 304 | 172 | 1905 | 10.6.1917 | 1.10.1921 | Sold | Ex merc. CORONA. | |
| SP | 823 | BROADBILL | MOTOR BT | YP | 33 | 1917 | 27.6.1918 | 3.12.1919 | USCG | Ex merc. BROADBILL. To USCGC SWIFT. | ||
| SP | 830 | FREELANCE | YACHT;ST | PYC | 132 | 137 | 1895 | 19.7.1917 | 24.12.1918 | RTO | Ex merc. FREELANCE. Also served 1898-99. | |
| SP | 839 | EUGENE F.PRICE | MENHADEN | YP | 168 | 1874 | 8.6.1917 | 16.1.1920 | Sold | Ex merc. EUGENE F. PRICE. Also listed as tug used as minesweeper. | ||
| SP | 845 | BARRACUDA | MOTOR BT | YP | 30 | 1912 | 18.6.1917 | 13.2.1919 | RTO | Ex merc. BARRACUDA. | ||
| SP | 846 | LUCE BROS | MENHADEN | YP | 141 | 1877 | 18.6.1917 | 28.3.1919 | RTO | Ex merc. LUCE BROS. Also listed as tug used as minesweeper. | ||
| SP | 852 | WISSAHICKON | YACHT | PYC | 74 | 120 | 1899 | 13.7.1917 | 10.2.1919 | RTO | Ex merc. WISSAHICKON, ex VALDA. To USS SP-852 11 Apr 18. | |
| SP | 856 | ARCADIA | MOTOR BT | YP | 30 | 1915 | 8.10.1918 | 6.11.1918 | RTO | Ex merc. ARCADIA. | ||
| SP | 861 | JAMES RIVER | MOTOR BT | YP | 58 | 8.10.1917 | 22.10.1918 | RTO | Ex merc. JAMES RIVER. Owner: Fish Comm. Va. | |||
| SP | 869 | J.REYNER & SON | MOTOR BT | YP | 29 | 1916 | 20.4.1920 | Army | Ex merc. J. REYNER & SON (REYNER & SON). | |||
| SP | 870 | MARGO | MOTOR BT | YP | 34 | 1913 | 14.6.1917 | 4.12.1918 | RTO | Ex merc. MARGO. | ||
| SP | 871 | TERN | MOTOR BT | YP | 17 | 1907 | 28.5.1917 | 21.11.1918 | RTO | Ex merc. TERN. To USS SP-871 11 Apr 18. | ||
| SP | 874 | DOLPHIN | MOTOR BT | YP | 10 | 1911 | 21.7.1918 | 16.12.1918 | RTO | Ex merc. DOLPHIN, ex ORA BELLE. | ||
| SP | 878 | JIMETTA | MOTOR BT | YP | 32 | 1915 | 17.7.1917 | 11.12.1918 | RTO | Ex merc. JIMETTA, ex FRANCES II. | ||
| SP | 879 | WILD CAT | FISH | YP | 36 | 1915 | 5.7.1917 | 21.4.1919 | C&GS | Ex merc. WILD CAT. | ||
| SP | 891 | WILD GOOSE II | MOTOR BT | YP | 33.5 | 7.7.1917 | Unk. | Ex merc. WILD GOOSE II (WILD GOOSE). To USS SP-891 11 Apr 18. Unaccounted for abroad. | ||||
| SP | 892 | MARGUERITE II | MOTOR BT | YP | 40 | 1917 | 10.6.1917 | 7.3.1919 | RTO | Ex merc. MARGUERITE II. To USS SP-892 11 Apr 18. | ||
| SP | 899 | COURTENAY P. | MOTOR BT | YP | 10 | 30.7.1917 | 12.12.1918 | RTO | Ex merc. COURTENAY P. To USS SP-899 11 Apr 18. | |||
| SP | 907 | YARD NO. 210 | MOTOR BT | YP | 60.1 | 1917 | 24.9.1917 | 18.9.1918 | Lost | Ex merc. YARD NO. 210 (OR PETERSON HULL 210). Sister to SP-908. | ||
| SP | 908 | YANK | MOTOR BT | YP | 60.1 | 1917 | 8.10.1917 | 14.2.1919 | RTO | Ex merc. YANK, ex YARD NO. 212 (OR PETERSON HULL 212). | ||
| SP | 909 | EAGLET | MOTOR BT | YP | 62 | 1911 | 16.6.1917 | 12.5.1922 | Sold | Ex merc. EAGLET. Sales of 14 Jul 21 and 20 Dec 21 cancelled. | ||
| SP | 912 | DOROTHEA II | MOTOR BT | YP | 34 | 1916 | 29.5.1917 | RTO | Ex merc. DOROTHEA II. To USS SP-912 11 Apr 18. Stk. 2 Mar 19. | |||
| SP | 913 | JOSEPHINE | MOTOR BT | YP | 28 | 1916 | 9.8.1917 | 20.12.1918 | RTO | Ex merc. JOSEPHINE. To USS SP-913 11 Apr 18. | ||
| SP | 915 | SHIRIN | MOTOR BT | YP | 59 | 1896 | 29.6.1921 | Sold | Ex merc. SHIRIN. | |||
| SP | 921 | LITTLE BROTHERS | FISH | YP | 38 | 1910 | 13.8.1917 | 26.8.1919 | RTO | Ex merc. LITTLE BROTHERS. | ||
| SP | 923 | WANDERLUST | MOTOR BT | YP | 48 | 1907 | 26.8.1917 | 18.2.1919 | RTO | Ex merc. WANDERLUST, ex FAALUA (1913). | ||
| SP | 928 | OSPREY II | MOTOR BT | YP | 80 | 10.8.1917 | 26.12.1918 | RTO | Ex merc. OSPREY II. | |||
| SP | 930 | MAYSIE | MOTOR BT | YP | 64 | 1899 | 8.12.1918 | RTO | Ex merc. MAYSIE, VERANO, LAURENA. | |||
| SP | 933 | TEASER | MOTOR BT | YP | 20 | 1916 | 27.12.1918 | Lost | Ex merc. TEASER. Caught fire and sank. | |||
| SP | 938 | CORINTHIA | MOTOR BT | YP | 66 | 85 | 1909 | 15.5.1917 | 7.12.1918 | RTO | Ex merc. CORINTHIA. | |
| SP | 946 | AUGUSTA | MOTOR BT | YP | 93 | 103 | 1912 | 1.8.1917 | 12.12.1918 | RTO | Ex merc. AUGUSTA. | |
| SP | 947 | HIGH BALL | MOTOR BT | YP | 45 | 1910 | 21.5.1917 | 21.5.1919 | RTO | Ex merc. HIGH BALL. | ||
| SP | 951 | UTOWANA | TRAWLER | YP | 392 | 1891 | 14.7.1917 | 13.9.1920 | Sold | Ex merc. UTOWANA. To USS VICTORINE (Logs use name UTOWANA). Rebuilt 1917 from yacht. | ||
| SP | 952 | ITTY E | MOTOR BT | YP | 25 | 6.7.1917 | BU | Ex merc. ITTY E. Stk. 6 Dec 19. Stk. again 25 Mar 20 as CTL, ordered BU. | ||||
| SP | 957 | OJEN | MOTOR BT | YP | 40 | 25.7.1917 | 10.12.1918 | RTO | Ex merc. OJEN. | |||
| SP | 960 | TERRIER | MOTOR BT | YP | 10 | 9.7.1917 | 10.5.1919 | RTO | Ex merc. TERRIER. Built specially for patrol work. | |||
| SP | 962 | LADY THORNE | MOTOR BT | YP | 44 | 1908 | 22.6.1917 | 1.3.1918 | RTO | Ex merc. LADY THORNE. | ||
| SP | 963 | BAGHEERA | MOTOR BT | YP | 30 | 1907 | 22.6.1917 | 5.2.1919 | RTO | Ex merc. BAGHEERA. Also listed as auxiliary schooner. | ||
| SP | 965 | ELFIN | MOTOR BT | YP | 18 | 1911 | 26.7.1917 | 22.11.1918 | RTO | Ex merc. ELFIN. | ||
| SP | 966 | HEBE | MOTOR BT | YP | 19 | 1912 | 19.7.1917 | 14.12.1918 | RTO | Ex merc. HEBE. | ||
| SP | 967 | ADMIRAL | YACHT;ST | PYC | 123 | 137 | 1892 | 5.7.1917 | 29.10.1920 | Sold | Ex merc. ADMIRAL, ex RED CROSS. Ashore Mar 18, salvaged. | |
| SP | 969 | OPEECHEE | MOTOR BT | YP | 41.5 | 1911 | Ex merc. OPEECHEE. RTO before Feb 1918. | |||||
| SP | 972 | ELIZABETH | MOTOR BT | YP | 17 | 1916 | 4.10.1917 | 10.11.1919 | Army | Ex merc. ELIZABETH. | ||
| SP | 978 | DAVIS K.PHILIPS | MENHADEN | YP | 116 | 1877 | 12.6.1917 | 23.6.1919 | Sold | Ex merc. DAVIS K. PHILIPS (or DAVID..). | ||
| SP | 979 | VERDI | MOTOR BT | YP | 28 | 1909 | 30.6.1917 | 4.12.1918 | Sold | Ex merc. VERDI. | ||
| SP | 980 | B.F.MACOMBER | FISH | YP | 180 | 1913 | 22.4.1917 | 5.7.1919 | Sold | Ex merc. B. F. MACOMBER. | ||
| SP | 996 | SAN TOY II | MOTOR BT | YP | 35 | 1907 | 3.11.1917 | 20.2.1919 | RTO | Ex merc. SAN TOY II, ex COLUMBINE. | ||
| SP | 1002 | DAUNTLESS | MOTOR BT | YP | 45 | 11.9.1917 | 17.5.1919 | RTO | Ex merc. DAUNTLESS. | |||
| SP | 1003 | ALBATROSS | MOTOR BT | YP | 11 | 1912 | 14.7.1917 | 1.5.1919 | RTO | Ex merc. ALBATROSS. To USS SP-1003 11 Apr 18. | ||
| SP | 1004 | QUI VIVE | MOTOR BT | YP | 45 | 1916 | 22.6.1917 | 7.6.1919 | RTO | Ex merc. QUI VIVE. Hospital boat, Norfolk, Dec 17 - May 19. | ||
| SP | 1009 | MAUD | MOTOR BT | YP | 15 | 15.6.1917 | 7.1.1919 | RTO | Ex merc. MAUD. Rebuilt 1913. | |||
| SP | 1010 | YARROW | MOTOR BT | YP | 20 | 1913 | 27.8.1917 | 7.3.1919 | RTO | Ex merc. YARROW. | ||
| SP | 1011 | GERALDINE | MOTOR BT | YP | 37 | 1916 | 27.9.1917 | 17.12.1918 | RTO | Ex merc. ALBION (briefly USS?). | ||
| SP | 1012 | SATELLITE | STEAM BT | YP | 27 | 1887 | 9.7.1917 | 30.3.1920 | BU | Ex merc. SATELLITE. Ordered disposed of as scrap 30 Mar 20. | ||
| SP | 1016 | TALOFA | YACHT;ST | YP | 83 | 101 | 1910 | 28.4.1917 | 24.4.1919 | RTO | Ex merc. TALOFA. | |
| SP | 1031 | JOLLY ROGER | MOTOR BT | YP | 22 | 1917 | 16.12.1917 | 6.11.1918 | Lost | Ex merc. JOLLY ROGER. Wrecked. | ||
| SP | 1045 | ARVAL | MOTOR BT | YP | 49 | 1911 | 1.11.1917 | 27.2.1919 | RTO | Ex merc. ARVAL. | ||
| SP | 1046 | NOMAD | MOTOR BT | YP | 36.6 | 1914 | 8.6.1918 | RTO | Ex merc. NOMAD. | |||
| SP | 1047 | ROAMER | STEAM BT | YP | 89 | 93 | 1902 | 29.6.1917 | 19.7.1919 | Sold | Ex merc. ROAMER. | |
| SP | 1048 | POLLYANNA | MOTOR BT | YP | 5 | 1900 | 31.7.1917 | 22.1.1919 | RTO | Ex merc. POLLYANNA. | ||
| SP | 1049 | CHIPPER | MOTOR BT | YP | 23 | 1909 | 21.7.1917 | 24.3.1919 | RTO | Ex merc. CHIPPER. | ||
| SP | 1050 | ALBERT BROWN | MENHADEN | YP | 108 | 1875 | 20.5.1917 | 5.1.1923 | Dest | Ex merc. ALBERT BROWN. Sunk, abandoned, stk. again 27 Mar 20, removed by Army 6 Jan 23. Also listed as tug. | ||
| SP | 1051 | ENSIGN | MOTOR BT | YP | 30 | 1914 | 30.7.1917 | 30.1.1919 | RTO | Ex merc. ENSIGN. | ||
| SP | 1052 | ALABAMA | MOTOR BT | YP | 69 | 1906 | RTO | Ex merc. ALABAMA. Navy status questionable. RTO late 1917? | ||||
| SP | 1055 | TECH III | MOTOR BT | YP | 50 | 1916 | 6.8.1917 | 23.4.1918 | RTO | Ex merc. TECH III. | ||
| SP | 1058 | THISTLE | MOTOR BT | YP | 41 | 1907 | 11.9.1917 | 5.7.1918 | RTO | Ex merc. THISTLE. | ||
| SP | 1062 | DOLOMA | MOTOR BT | YP | 43 | 1907 | 26.7.1917 | RTO | Ex merc. DOLOMA. | |||
| SP | 1063 | SECRET | MOTOR BT | YP | 13 | 1916 | 12.6.1917 | 30.12.1918 | RTO | Ex merc. SECRET. | ||
| SP | 1072 | PEGGY | MOTOR BT | YP | 30 | 1914 | 14.8.1917 | 23.11.1918 | RTO | Ex merc. PEGGY. | ||
| SP | 1080 | MARJORIE M | MOTOR BT | YP | 32 | 1912 | 18.8.1917 | 23.11.1918 | RTO | Ex merc. MARJORIE M. | ||
| SP | 1083 | REGIS IIL | MOTOR BT | YP | 45 | 1902 | 16.7.1917 | 25.1.1919 | RTO | Ex merc. REGIS II. | ||
| SP | 1086 | ANTON DOHRN | MOTOR BT | YP | 45 | 1911 | 31.7.1917 | 2.1.1919 | RTO | Ex merc. ANTON DOHRN. | ||
| SP | 1092 | ELIZABETH | MOTOR BT | YP | 17 | 2.11.1917 | Lost | Ex merc. ELIZABETH. To USS SP-1092 11 Apr 18. Stk. 15 Nov 18. | ||||
| SP | 1103 | EMPRESS | MOTOR BT | YP | 33.4 | 1912 | 18.7.1917 | 18.10.1918 | RTO | Ex merc. EMPRESS. | ||
| SP | 1104 | CHEROKEE | YACHT;ST | PYC | 82 | 115 | 1903 | 26.4.1917 | 17.2.1919 | RTO | Ex merc. CHEROKEE. | |
| SP | 1105 | CAROLINE | MOTOR BT | YP | 9 | 1912 | 17.5.1917 | 23.12.1918 | RTO | Ex merc. CAROLINE. | ||
| SP | 1106 | PATROL 11 | MOTOR BT | YP | 16 | 1912 | 27.8.1917 | 5.12.1918 | RTO | Ex merc. PATROL 11. | ||
| SP | 1109 | SAYONA II | MOTOR BT | YP | 25 | 1907 | 3.8.1917 | 30.12.1918 | RTO | Ex merc. SAYONA II, ex TIP TOP. | ||
| SP | 1114 | VISION | MOTOR BT | YP | 67.5 | 1910 | 27.8.1917 | 19.12.1918 | RTO | Ex merc. VISION. | ||
| SP | 1144 | KATRINA | STEAM BT | YP | 31 | 1913 | 31.7.1917 | 15.2.1919 | RTO | Ex merc. KATRINA. | ||
| SP | 1145 | W.F.MARTY | MOTOR BT | YP | 5 | 1917 | 6.10.1917 | 5.2.1918 | RTO | Ex merc. W. F. MARTY. | ||
| SP | 1150 | HETMAN | MOTOR BT | YP | 15 | 1917 | 30.10.1917 | 1.3.1921 | Sold | Ex merc. HULL NO. 277 or GREENPORT 277 (to 28 Nov 17). For Russia (P/N 62). Purchased from Russian government. | ||
| SP | 1151 | RUSS | MOTOR BT | YP | 14 | 1917 | 30.10.1917 | 29.3.1921 | Sold | Ex merc. HULL NO. 278 or GREENPORT 278 (to 28 Nov 17). For Russia ('S.P.63' on stern). | ||
| SP | 1159 | WASP | MOTOR BT | YP | 40 | 1910 | 1.11.1917 | 3.11.1917 | RTO | Ex merc. WASP. | ||
| SP | 1169 | STEPHEN W.MCKEEVER JR | MENHADEN | YP | 223 | 1911 | 4.8.1917 | 1.7.1919 | Sold | Ex merc. STEPHEN W. MCKEEVER JR. Also listed as tug used as minesweeper. | ||
| SP | 1175 | WELCOME | MOTOR BT | YP | 4 | 1914 | 7.8.1917 | 7.3.1919 | RTO | Ex merc. WELCOME. | ||
| SP | 1181 | GRETCHEN | MOTOR BT | YP | 11 | 1902 | 20.8.1917 | 1.1.1919 | RTO | Ex merc. GRETCHEN. | ||
| SP | 1182 | ATLANTIC | MOTOR BT | YP | 14 | 1903 | 20.8.1917 | 24.9.1918 | RTO | Ex merc. ATLANTIC. To USS SP-1182 11 Apr 18. | ||
| SP | 1186 | DAISY | MOTOR BT | YP | 46 | 1904 | 9.6.1917 | RTO | Ex merc. DAISY. Also listed as yawl. | |||
| SP | 1187 | VERNA & ESTHER | MOTOR BT | YP | 12 | 1912 | 6.8.1917 | 30.11.1918 | RTO | Ex merc. VERNA & ESTHER. | ||
| SP | 1188 | JANE II | MOTOR BT | YP | 5 | 23.8.1917 | 25.11.1918 | RTO | Ex merc. JANE II. Also listed as tug used as minesweeper. | |||
| SP | 1189 | CERO | MOTOR BT | YP | 12 | 1915 | 1.8.1917 | 21.10.1918 | Lost | Ex merc. CERO. | ||
| SP | 1192 | VITESSE | MOTOR BT | YP | 18 | 1917 | 28.7.1917 | 4.12.1918 | RTO | Ex merc. VITESSE. | ||
| SP | 1195 | RHEBAL | MOTOR BT | YP | 52.3 | 1917 | 15.8.1917 | 13.1.1919 | RTO | Ex merc. RHEBAL. | ||
| SP | 1196 | WE GO | MOTOR BT | YP | 34.4 | RTO | Ex merc. WE GO. | |||||
| SP | 1197 | HUNCH | MOTOR BT | YP | 35.2 | 1907 | 13.8.1917 | 30.11.1917 | RTO | Ex merc. HUNCH. | ||
| SP | 1203 | MARGARET ANDERSON | MOTOR BT | YP | 5 | 1907 | 15.6.1917 | 31.12.1918 | RTO | Ex merc. MARGARET ANDERSON. | ||
| SP | 1204 | PILGRIM | MOTOR BT | PYC | 98 | 120 | 1893 | 30.7.1917 | 7.1.1919 | RTO | Ex merc. PILGRIM. | |
| SP | 1205 | JOHN B.ROBINS | MOTOR BT | YP | 19 | 15.6.1917 | 18.1.1918 | RTO | Ex merc. JOHN B. ROBINS. | |||
| SP | 1206 | ANNA BELLE | MOTOR BT | YP | 8 | 1898 | 15.6.1917 | 20.12.1918 | RTO | Ex merc. ANNA BELLE. | ||
| SP | 1207 | HAZEL | MOTOR BT | YP | 6 | 15.6.1917 | 16.1.1919 | RTO | Ex merc. HAZEL. | |||
| SP | 1208 | OCOEE | MOTOR BT | YP | 29 | 1911 | 24.8.1917 | 17.1.1919 | RTO | Ex merc. OCOEE. | ||
| SP | 1209 | ELLEN | MOTOR BT | YP | 28 | 62.3 | 1917 | 21.7.1917 | 23.4.1919 | RTO | Ex merc. ELLEN, ex HERRESHOFF 315. To USS SP-1209 11 Apr 18. Herreshoff 62'4" type. | |
| SP | 1212 | INCA | MOTOR BT | YP | 28 | 62.3 | 1917 | 28.7.1917 | 17.4.1919 | RTO | Ex merc. INCA, ex HERRESHOFF 314. To USS SP-1212 11 Apr 18. Herreshoff 62'4" type. | |
| SP | 1214 | MIRNA | MOTOR BT | YP | 40.3 | 1911 | 18.8.1917 | 8.5.1918 | RTO | Ex merc. MIRNA. | ||
| SP | 1216 | ROSE MARY | MOTOR BT | YP | 35 | 1917 | 8.9.1917 | 15.11.1918 | RTO | Ex merc. ROSE MARY. | ||
| SP | 1217 | DE GRASSE | STEAM BT | YP | 67 | 1918 | 7.11.1918 | RTO | Ex merc. DE GRASSE. | |||
| SP | 1218 | HERRESHOFF 309 | STEAM BT | YP | 25 | 83.2 | 1917 | 1.8.1917 | 11.1.1919 | RTO | Ex merc. HERRESHOFF 309. Herreshoff 83'2" type, designed & built expressly for patrol service. | |
| SP | 1219 | PEARL | MOTOR BT | YP | 45 | 1912 | 23.8.1917 | 23.12.1918 | RTO | Ex merc. PEARL. | ||
| SP | 1223 | EMMA | MOTOR BT | YP | 11 | 1891 | 15.6.1917 | 21.12.1918 | RTO | Ex merc. EMMA. | ||
| SP | 1224 | ONSET | MOTOR BT | YP | 5 | 15.6.1917 | 21.12.1918 | RTO | Ex merc. ONSET. Rebuilt 1910. | |||
| SP | 1225 | CHARLIE B.MASON | MOTOR BT | YP | 12 | 1900 | 15.6.1917 | 21.12.1918 | RTO | Ex merc. CHARLIE B. MASON. | ||
| SP | 1228 | ACOMA | MOTOR BT | YP | 25 | 1917 | 25.9.1917 | 25.11.1918 | RTO | Ex merc. ACOMA, ex (SEABURY) HULL 2571. | ||
| SP | 1229 | LIBERTY #3 | SCHR;AUX | YP | 118 | 103 | 1896 | 20.9.1917 | 8.1.1919 | RTO | Ex merc. LIBERTY #3 (full name probably 'LIBERTY, PILOT BOAT #3'). Pilot boat, schooner rig. | |
| SP | 1230 | LOUISE #2 | SCHR;AUX | YP | 102 | 104 | 1900 | 19.9.1917 | 14.1.1919 | RTO | Ex merc. LOUISE #2 (full name probably 'LOUISE, PILOT BOAT #2'). Pilot boat, schooner rig | |
| SP | 1233 | KWASIND | YACHT | PY | 400 | 180 | 1914 | 9.5.1917 | 4.12.1919 | Sold | Ex merc. NOKOMIS I (to 19 Nov 17). | |
| SP | 1234 | CIGARETTE | YACHT;ST | PYC | 99 | 125.3 | 1905 | 17.9.1917 | 29.10.1920 | Sold | Ex merc. CIGARETTE. Steam yacht or large steam boat. | |
| SP | 1243 | JOSEPHINE | MOTOR BT | YP | 32 | 1905 | 27.10.1917 | 7.12.1918 | RTO | Ex merc. JOSEPHINE. | ||
| SP | 1247 | COMMANDER | MOTOR BT | YP | 36 | 1917 | 17.9.1917 | 6.2.1919 | RTO | Ex merc. COMMANDER. | ||
| SP | 1249 | OSTRICH | MOTOR BT | YP | 38 | 1909 | 20.7.1917 | 23.12.1918 | RTO | Ex merc. OSTRICH. | ||
| SP | 1251 | NATALIA | MOTOR BT | YP | 21 | 1909 | 8.5.1917 | 5.7.1918 | RTO | Ex merc. NATALIA. | ||
| SP | 1252 | STINGER | STEAM BT | YP | 47 | 83.2 | 1917 | 11.12.1917 | 20.11.1919 | Army | Ex merc. STINGER, ex HERRESHOFF 312. Herreshoff 83'2" type. | |
| SP | 1258 | VELOCIPEDE | MOTOR BT | YP | 13 | 1917 | 27.10.1917 | 20.2.1919 | RTO | Ex merc. VELOCIPEDE. | ||
| SP | 1259 | GRAYLING | MOTOR BT | YP | 4 | 1915 | 7.5.1917 | 30.11.1918 | RTO | Ex merc. GRAYLING. To USS SP-1259 11 Apr 18. | ||
| SP | 1260 | MARIE | MOTOR BT | YP | 16 | 1901 | 7.8.1917 | 10.1.1919 | RTO | Ex merc. MARIE. To USS SP-1260 11 Apr 18. | ||
| SP | 1283 | DAISY ARCHER | MOTOR BT | YP | 69.5 | 24.8.1917 | 24.9.1918 | RTO | Ex merc. DAISY ARCHER. Owner: CCMD. | |||
| SP | 1284 | KANGAROO | MOTOR BT | YP | 12 | 62.3 | 1917 | 18.9.1917 | 22.11.1919 | USCG | Ex merc. KANGAROO, ex HERRESHOFF 316. To USCG AB-6. Herreshoff 62'4" type. | |
| SP | 1285 | DAIQUIRI | MOTOR BT | YP | 28 | 62.3 | 1917 | 17.9.1917 | 10.3.1920 | Sold | Ex merc. DAIQUIRI, ex HERRESHOFF 317. Herreshoff 62'4" type. | |
| SP | 1286 | HULL 132 | MOTOR BT | YP | 2 | 1917 | Unk. | Ex merc. HULL 132. Unaccounted for abroad. | ||||
| SP | 1288 | MUSIC | MOTOR BT | YP | 41 | 1880 | 24.8.1917 | 24.9.1918 | RTO | Ex merc. MUSIC. Owner: CCMD. | ||
| SP | 1289 | DOROTHY | MOTOR BT | YP | 41 | 1911 | 17.8.1917 | 24.9.1918 | RTO | Ex merc. DOROTHY. Owner: CCMD. | ||
| SP | 1291 | SNARK | MOTOR BT | YP | 28 | 62.3 | 1917 | 29.3.1919 | RTO | Ex merc. SNARK. Herreshoff 62'4" type. | ||
| SP | 1328 | GOV.R.M.MCLANE | FISH | YP | 144 | 1884 | 17.8.1917 | 24.9.1918 | RTO | Ex merc. GOV. R. M. MCLANE. Pilot boat. Owner: CCMD. | ||
| SP | 1351 | STAR 1 | TRAWLER | YP | 248 | 1912 | 19.1.1918 | 12.2.1919 | RTO | Ex merc. STAR 1. Whaler. Two sisters (SP 1349-50) not acq? | ||
| SP | 1355 | BUCK | MOTOR BT | YP | 33.5 | 1911 | 2.7.1917 | 24.9.1918 | RTO | Ex merc. BUCK. To USS SP-1355 11 Apr 18. Owner: CCMD. | ||
| SP | 1425 | COMMODORE | MOTOR BT | YP | 12 | 62.3 | 1917 | 2.10.1917 | 17.10.1919 | Army | Ex merc. COMMODORE, ex HERRESHOFF 318. Herreshoff 62'4" type. | |
| SP | 1436 | NETTIE | MOTOR BT | YP | 5 | 1912 | 24.8.1917 | 24.9.1918 | RTO | Ex merc. NETTIE. Owner: CCMD. | ||
| SP | 1437 | SWAN | MOTOR BT | YP | 41 | 17.8.1917 | 1.4.1918 | RTO | Ex merc. SWAN. Owner: CCMD. | |||
| SP | 1438 | MURRAY | MOTOR BT | YP | 55 | 1915 | 17.8.1917 | 26.11.1918 | RTO | Ex merc. MURRAY. Owner: CCMD. | ||
| SP | 1457 | ST.MARYS | MOTOR BT | YP | 49 | 1912 | 17.8.1917 | 24.9.1918 | RTO | Ex merc. ST. MARYS. Owner: CCMD. | ||
| SP | 1513 | BOBYLU | MOTOR BT | YP | 8 | 1915 | 22.10.1917 | 31.12.1918 | RTO | Ex merc. BOBYLU. | ||
| SP | 1636 | TRIUNE | MOTOR BT | YP | 38 | 5.11.1917 | 7.12.1917 | RTO | Ex merc. TRIUNE. | |||
| SP | 1646 | DORIS | MOTOR BT | YP | 35.2 | 1905 | 8.10.1917 | 30.11.1917 | RTO | Ex merc. DORIS. | ||
| SP | 1658 | HALCYON | MOTOR BT | YP | 5 | 1912 | 16.6.1917 | 20.11.1917 | RTO | Ex merc. HALCYON. | ||
| SP | 1671 | BERWIND | MOTOR BT | YP | 35 | 1912 | 8.10.1917 | 27.11.1917 | RTO | Ex merc. BERWIND. | ||
| SP | 1674 | CUYUNA | MOTOR BT | YP | 30.5 | 8.10.1917 | 7.11.1917 | RTO | Ex merc. CUYUNA. | |||
| SP | 1675 | MAGETE | MOTOR BT | YP | 30 | 1905 | 8.10.1917 | 5.11.1917 | RTO | Ex merc. MAGETE. | ||
| SP | 1676 | ELLA | MOTOR BT | YP | 32 | 8.10.1917 | 25.11.1918 | RTO | Ex merc. ELLA. | |||
| SP | 1700 | MARIAN CALAVERAS | MOTOR BT | YP | 1911 | 17.10.1917 | 5.11.1917 | RTO | Ex merc. MARIAN CALAVERAS. | |||
| SP | 1701 | MINNEOPA | MOTOR BT | YP | 36 | 1902 | 8.10.1917 | RTO | Ex merc. MINNEOPA. | |||
| SP | 1704 | BILLOW | TRAWLER | YP | 450 | 1912 | 13.6.1918 | 30.11.1918 | RTO | Ex merc. BILLOW. Trawler, also listed as steam yacht. | ||
| SP | 1707 | BREAKER | TRAWLER | YP | 450 | 1912 | 13.6.1918 | 2.4.1919 | RTO | Ex merc. BREAKER. Trawler, also listed as tug. | ||
| SP | 1711 | MISS TOLEDO | MOTOR BT | YP | 19 | 1917 | 30.4.1918 | 14.12.1918 | RTO | Ex merc. MISS TOLEDO. No active service. | ||
| SP | 1712 | TANGO | MOTOR BT | YP | 32 | 1913 | 8.10.1917 | 5.11.1917 | RTO | Ex merc. TANGO. | ||
| SP | 1761 | TECH JR. | MOTOR BT | YP | 20 | 1912 | 30.8.1917 | 27.11.1917 | RTO | Ex merc. TECH JR. | ||
| SP | 1764 | MARGARET G | MOTOR BT | YP | 3 | 26.10.1917 | 31.12.1918 | RTO | Ex merc. MARGARET G. To USS SP-1764 11 Apr 18. | |||
| SP | 1770 | HAZLETON | MOTOR BT | YP | 11 | 1917 | 19.12.1917 | 27.1.1919 | RTO | Ex merc. HAZLETON. | ||
| SP | 1785 | CARLOTTA | MOTOR BT | YP | 9 | 28.8.1917 | 22.10.1918 | RTO | Ex merc. CARLOTTA. Owner: Fish Comm. Va. | |||
| SP | 1793 | AKELA | YACHT;ST | YP | 72 | 98.6 | 1899 | 24.12.1917 | 19.5.1919 | RTO | Ex merc. AKELA. | |
| SP | 1795 | WAR BUG | MOTOR BT | YP | 29 | 62.3 | 1917 | 6.11.1917 | 30.6.1919 | Sold | Ex merc. WAR BUG, ex HERRESHOFF 320. Herreshoff 62'4" type, owner F. Warburg. | |
| SP | 1841 | HERRESHOFF 306 | STEAM BT | PC | 60 | 112.4 | 1917 | 14.2.1918 | 1.12.1922 | Sold | Ex merc. HERRESHOFF 306. To Army 2 Oct 20- Mar 21. Herreshoff 112'5" type. | |
| SP | 1860 | ISLE OF SURRY | MOTOR BT | YP | 38 | 1911 | 18.9.1917 | 31.1.1919 | RTO | Ex merc. ISLE OF SURRY. | ||
| SP | 1963 | JOANNA | MOTOR BT | YP | 5 | 1917 | 9.12.1917 | Unk. | Ex merc. JOANNA. Unaccounted for abroad. | |||
| SP | 1965 | VIRGINIA | SAIL;AUX | YP | 35 | 1902 | 1.12.1917 | 3.1.1919 | RTO | Ex merc. VIRGINIA. To USS SP-1965 11 Apr 18. Schooner rig removed for naval service. | ||
| SP | 1995 | VICTOR | MOTOR BT | YP | 50 | 1917 | 27.11.1917 | 21.11.1918 | RTO | Ex merc. VICTOR. | ||
| SP | 2009 | LAURA REED | SCHR;AUX | YP | 99 | 52 | 1895 | 3.12.1917 | 7.1.1919 | RTO | Ex merc. LAURA REED. Small schooner with 14hp engine. | |
| SP | 2119 | MARGIN | MOTOR BT | YP | 2 | 1917 | 21.3.1918 | 1.4.1919 | RTO | Ex merc. MARGIN. | ||
| SP | 2162 | SOMERSET | MOTOR BT | YP | 15 | 1917 | 10.4.1918 | 26.11.1918 | RTO | Ex merc. SOMERSET. Owner: CCMD. | ||
| SP | 2171 | ATLAS | SCHR;AUX | YP | 209 | 104.7 | 1911 | 16.5.1917 | 16.2.1918 | RTO | Ex merc. ATLAS (Ger.). | |
| SP | 2230 | HULL 927 | MOTOR BT | YP | 45 | 3.2.1919 | 22.6.1923 | Sold | Ex merc. HULL 927, CRUISER C-927 (cabin cruiser acq. from Marine Aviation Corps). To USS HELENITA (not SP-210). Loan to City of Norfolk 30 Aug 20-1 Dec 22. | |||
| SP | 2232 | HERRESHOFF 308 | STEAM BT | PC | 60 | 112.4 | 1917 | 21.2.1918 | 27.5.1924 | Sold | Ex merc. HERRESHOFF 308. To District Unclassified ca. 17 Jul 20. To GOLD STAR (Panama Canal), 14 Oct 1920. Returned 1923. Herreshoff 112'5" type. | |
| SP | 2235 | HERRESHOFF 321 | STEAM BT | PC | 60 | 112.4 | 1917 | 21.2.1918 | 7.10.1921 | Lost | Ex merc. HERRESHOFF 321. Lost in tow of USS NITRO. Herreshoff 112'5" type. | |
| SP | 2274 | CALVERT | MOTOR BT | YP | 22 | 1910 | 17.1.1918 | 26.11.1918 | RTO | Ex merc. CALVERT. Owner: CCMD. | ||
| SP | 2365 | SEA HAWK | MOTOR BT | YP | 29 | 62.3 | 1917 | 23.10.1917 | 10.9.1919 | Lost | Ex merc. SEA HAWK, ex HERRESHOFF 319. Disappeared in hurricane. Herreshoff 62'4" type. | |
| SP | 2373 | HERRESHOFF 322 | MOTOR BT | YP | 83.2 | 1918 | 22.3.1918 | 18.7.1921 | Sold | Ex merc. HERRESHOFF 322. To USS SP-2373 (SD18). Loan Mar-Nov 1920, NY City. To District Unclassified ca. 17 Jul 20. Herreshoff 83'2" type. | ||
| SP | 2384 | FLOYD HURST | MOTOR BT | YP | 15 | 1902 | 3.3.1918 | 5.8.1921 | Sold | Ex merc. FLOYD HURST. To USS GUARD 7 Jan 21. | ||
| SP | 2405 | EFCO | MOTOR BT | YP | 40 | 1912 | 7.10.1919 | RTO | Ex merc. EFCO (seized German vessel). | |||
| SP | 2439 | RIPPLE | TRAWLER | YP | 450 | 1910 | 29.5.1918 | 11.2.1919 | RTO | Ex merc. RIPPLE (ex Russian). | ||
| SP | 2440 | WANDERER | MOTOR BT | YP | 3 | 12.4.1917 | 30.12.1918 | RTO | Ex merc. WANDERER. To USS SP-2440 11 Apr 18. | |||
| SP | 2472 | BIVALVE | FISH | YP | 14 | 1901 | 19.4.1918 | 19.7.1919 | Sold | Ex merc. BIVALVE. Tender to SP-1578. | ||
| SP | 2491 | SPRAY | TRAWLER | YP | 500 | 1905 | 29.5.1918 | 4.3.1919 | RTO | Ex merc. SPRAY (ex Russian, chartered from Russian govt.) | ||
| SP | 2496 | FOAM | TRAWLER | YP | 450 | 1910 | 29.5.1918 | 3.3.1919 | RTO | Ex merc. FOAM (ex Russian). | ||
| SP | 2584 | HYDRAULIC | STEAM BT | YP | 65 | 1900 | 29.5.1918 | 23.1.1919 | RTO | Ex merc. HYDRAULIC. | ||
| SP | 2589 | AHDEEK | MOTOR BT | YP | 38 | 1916 | 2.9.1918 | 27.12.1933 | Sold | Ex merc. AHDEEK. Loan Culver Mil. Acad. 23 Jun 19. To District Unclassified ca. 17 Jul 20. | ||
| SP | 2640 | BAYOCEAN | YACHT;MO | PYC | 130 | 138 | 1911 | 5.8.1921 | Sold | Ex merc. BAYOCEAN. | ||
| SP | 2646 | AVENGER | MOTOR BT | YP | 36 | 1918 | 28.5.1918 | 19.12.1918 | RTO | Ex merc. AVENGER. | ||
| SP | 2714 | SNAPPER | MOTOR BT | YP | 60 | 1906 | 5.8.1920 | Sold | Ex merc. SNAPPER. | |||
| SP | 2744 | MYSTERY | FISH | YP | 212 | 1886 | 2.9.1918 | 18.1.1919 | RTO | Ex merc. MYSTERY. Also listed as tug used as minesweeper. | ||
| ID | 2790 | SURLEY ELLEN | MOTOR BT | YP | 27 | 1915 | 8.6.1918 | 25.6.1918 | RTO | Ex merc. SURLEY ELLEN. Navy status questionable. Ordered RTO. | ||
| SP | 2804 | ZILLAH | MOTOR BT | YP | 17 | 1903 | 1.6.1918 | 13.12.1918 | RTO | Ex merc. ZILLAH. Rebuilt 1913. | ||
| SP | 2840 | HERRESHOFF 323 | STEAM BT | PC | 65 | 112.4 | 1918 | 12.6.1918 | 3.5.1927 | Sold | Ex merc. HERRESHOFF 323. Herreshoff 112'5" type. | |
| SP | 2871 | BIE & SCHIOTT | MOTOR BT | YP | 26 | 1918 | 11.3.1918 | 12.5.1922 | Sold | Ex merc. BIE & SCHIOTT. Resold (first sale 19 Apr 22). Also listed as salvage steamer. | ||
| SP | 2981 | STARLING | TRAWLER | YP | 299 | 1917 | 18.6.1918 | 24.2.1919 | RTO | Ex merc. PETREL (to 1 Aug 18). | ||
| SP | 3003 | RESOLUTE | MOTOR BT | YP | 8 | 1913 | Ex merc. RESOLUTE. Tender on MOUNT VERNON (ID-1466). | |||||
| SP | 3028 | AMPHITRITE | MOTOR BT | YP | 19 | 1918 | 21.5.1918 | 4.3.1920 | Army | Ex merc. AMPHITRITE. To USS NERITA 8 Nov 18. Also listed as tug. | ||
| SP | 3035 | ALASKA | MENHADEN | YP | 229 | 1881 | 18.9.1918 | 10.1.1919 | RTO | Ex merc. ALASKA. Rebuilt 1911. | ||
| SP | 3051 | IBIS | TRAWLER | YP | 299 | 1917 | 18.6.1918 | 3.3.1919 | RTO | Ex merc. SEA GULL (to 19 Aug 18). | ||
| SP | 3071 | BELLE OF BOSTON | SCHR;AUX | YP | 18 | 1891 | 24.7.1918 | 11.1.1919 | RTO | Ex merc. BELLE OF BOSTON. | ||
| SP | 3156 | HURST | MOTOR BT | YP | 17 | 1918 | 23.8.1918 | 15.11.1919 | Trf. | Ex merc. HURST. Trf. to USPHS. | ||
| SP | 3231 | SPARROW II | MOTOR BT | YP | 18 | 1915 | 30.6.1919 | Sold | Ex merc. SPARROW II. | |||
| SP | 3234 | ELLEN BROWNING | MOTOR BT | YP | 23 | 1916 | 18.7.1918 | 7.7.1923 | Boat | Ex merc. ELLEN BROWNING. Reclas. small boat. | ||
| ID | 3246 | VINCENT | MOTOR BT | YP | 17 | 1909 | 18.9.1918 | 28.6.1919 | RTO | Ex merc. VINCENT. River ferry. | ||
| SP | 3250 | LAGODA | MOTOR BT | YP | 49 | 1906 | 20.9.1918 | 30.11.1919 | Sold | Ex merc. LAGODA, MOUSQUETAIRE, SCOTIAN. | ||
| SP | 3274 | MARY M | MOTOR BT | YP | 64 | 1904 | 1.5.1922 | Sold | Ex merc. MARY M. Purch. 1919 by BUORD. | |||
| SP | 3289 | MYRTLE | MOTOR BT | YP | 21 | 1915 | 1.10.1918 | 27.1.1919 | RTO | Ex merc. MYRTLE. | ||
| SP | 3294 | HOPKINS | MOTOR BT | YP | 34 | 1917 | 1.9.1918 | 4.3.1920 | Army | Ex merc. HOPKINS. | ||
| SP | 3295 | JOSEPHINE | MOTOR BT | YP | 48 | 1913 | 30.10.1918 | 3.1.1919 | RTO | Ex merc. JOSEPHINE. | ||
| ID | 3314 | VIKING | MOTOR BT | YP | 10 | 1915 | 24.9.1918 | 20.2.1919 | Sold | Ex merc. VIKING, ex CAESAR. Sold as junk. | ||
| SP | 3361 | VAUD J. | MOTOR BT | YP | 63 | 1907 | 27.9.1918 | 30.6.1919 | Sold | Ex merc. VAUD J.. | ||
| SP | 3363 | SCANDINAVIA | MOTOR BT | YP | 26 | 1916 | 3.10.1918 | 21.5.1919 | C&GS | Ex merc. SCANDINAVIA. | ||
| SP | 3458 | BETTY JANE I | MOTOR BT | YP | 36 | 1913 | 17.1.1919 | RTO | Ex merc. BETTY JANE I. | |||
| SP | 3572 | SHUTTLE | YACHT | YP | 42 | 94.5 | 1906 | 28.3.1919 | RTO | Ex merc. SHUTTLE. | ||
| SP | 3698 | CONGRESS | MOTOR BT | YP | 15 | 1914 | 23.9.1919 | Sold | Ex merc. CONGRESS. | |||
| SP | 3854 | LADY DORIS | MOTOR BT | YP | 1916 | 10.6.1918 | 2.10.1918 | RTO | Ex merc. LADY DORIS. |
Copyright © Stephen S. Roberts 2004-2015.