Coastal Minesweepers
(AMc) Built or Acquired Through WWII
During WWII, a total of 70 wooden-hulled coastal minesweepers, even smaller than the YMSs, were built in 15 boatyards. There was only one basic design - the 97-foot, 10-knot "Accentor" class. In addition, 45 fishing vessels were acquired and converted into minesweepers.
| Name | Builder | LOA | Tons | Delivered | Notes | |
| AMc-1 | Pipit | Martinolich SB | 85 | 210 | 1936 | ex-Spartan, acquired 1940, returned to owner 1944 |
| AMc-2 | Magpie | Harbor BB | 85 | 210 | 1936 | ex-City of San Pedro, acquired 1940, returned to owner 1944 |
| AMc-3 | Plover | Harbor BB | 85 | 210 | 1936 | ex-Sea Rover, acquired 1940, returned to owner 1944 |
| AMc-4 | Goshawk | Foundation SY | 150 | 585 | 1919 | ex-Penobscot, acquired 1940, AM-79 1940, IX-195 1944, sold 1946 as Bering Sea |
| AMc-5 | Kestrel | Salisbury Yachts | 99 | 219 | 1938 | ex-Chanco, acquired 1940, IX-175 1944, to MARAD 1948 |
| AMc-6 | Heath Hen | Storey, A. D. | 94 | 270 | 1936 | ex-Noreen, acquired 1940, small boat 1944, sold 1946 |
| AMc-7 | Bunting | Martinac SB | 80 | 200 | 1935 | ex-Vagabond, acquired 1940, in collision and sank 1942 |
| AMc-8 | Cockatoo | Seattle SB | 88 | 185 | 1936 | ex-Vashon, acquired 1940, to MARAD 1948 |
| AMc-9 | Crossbill | Watchorn Yachts | 81 | 213 | 1937 | ex-North Star, acquired 1940, to MARAD 1948 |
| AMc-10 | Longspur | Martinac SB | 81 | 200 | 1935 | ex-New Ambasador, acquired 1940, to MARAD 1945 |
| AMc-11 | Sanderling | Harbor BB | 78 | 180 | 1937 | ex-New Conti di Savoia, acquired 1940, returned to owner 1945 |
| AMc-12 | Grouse | Martinac SB | 80 | 200 | 1935 | ex-New Bol, acquired 1940, to MARAD 1945 |
| AMc-13 | Hornbill | Martinolich SB | 83 | 195 | 1940 | ex-J. A. Martinolich, acquired 1940, in collision and sank 1942 |
| AMc-14 | Condor | 78 | 195 | 1937 | ex-New Example, acquired 1940, to MARAD 1946 | |
| AMc-15 | Waxbill | Fulton Shipyard | 83 | 195 | 1936 | ex-Leslie J. Fulton, acquired 1940, returned to owner 1945 |
| AMc-16 | Chatterer | 83 | 152 | 1936 | ex-Sea Breeze, acquired 1940, to MARAD 1946 | |
| AMc-17 | Pintail | Kruse & Banks | 85 | 210 | 1937 | ex-Three Star, acquired 1940, to MARAD 1945 |
| AMc-18 | Nightingale | Larson Boat Shop, Al | 83 | 197 | 1934 | ex-Majestic, acquired 1940, YP-166 1941, returned to owner 1945 |
| AMc-19 | Grosbeak | Martinac SB | 81 | 185 | 1935 | ex-Del Rio, acquired 1940, returned to owner 1945, sank 1952 |
| AMc-20 | Crow | 83 | 195 | 1935 | ex-Jardan, acquired 1940, accidentally sunk 1943 | |
| AMc-21 | Killdeer | Larson Boat Shop, Al | 106 | 110 | 1937 | ex-Vindicator, acquired 1940, IX-194 1944, to MARAD 1945 |
| AMc-22 | Flamingo | Morse SB | 93 | 199 | 1940 | ex-Harriet N. Eldridge, acquired 1940, IX-180 1944, struck 1946 |
| AMc-23 | Blue Jay | Morse SB | 93 | 199 | 1940 | ex-Charles S. Ashley, acquired 1940, YDT-6 1944 |
| AMc-24 | Egret | Snow SY | 90 | 110 | 1937 | ex-Julia Eleanor, acquired 1940, IX-181 1944, to MARAD 1945 |
| AMc-25 | Canary | Morse SB | 93 | 199 | 1940 | ex-John G. Morlry, acquired 1940, YDT-7 1944, to MARAD 1948 |
| AMc-26 | Humming Bird | Morse SB | 90 | 130 | 1938 | ex-Whaling City, acquired 1940, small boat 1944, to MARAD |
| AMc-27 | Frigate Bird | Harbor BB | 83 | 112 | 1935 | ex-Star of San Pedro, acquired 1940, struck 1944 |
| AMc-28 | Mockingbird | Morse SB | 97 | 205 | 1936 | ex-Rio Douro, acquired 1940, to MARAD 1945 |
| AMc-29 | Puffin | Snow SY | 90 | 225 | 1936 | ex-Mary Jane, acquired 1940, small boat 1944, returned to owner 1945 |
| AMc-30 | Reedbird | Larson Boat Shop, Al | 87 | 223 | 1935 | ex-Fearless, acquired 1940, to MARAD 1946 |
| AMc-31 | Sparrow | Harbor BB | 83 | 112 | 1929 | ex-Pacific, acquired 1940, YT-172 1940, Marin (YN-53) 1941, YNT-21 1942, to MARAD 1947 |
| AMc-32 | Courser | 79 | 148 | 1938 | ex-Nancy Rose, acquired 1940, struck 1944 | |
| AMc-33 | Firecrest | 77 | 151 | 1937 | ex-S. G. Giuseppe, acquired 1940, struck 1944 | |
| AMc-34 | Parrakeet | Larson Boat Shop, Al | 79 | 197 | 1934 | ex-Jackie Sue, acquired 1940, to MARAD 1945 |
| AMc-35 | Road Runner | Western BB | 81 | 175 | 1939 | ex-Treasure Island, acquired 1940, to MARAD 1945 |
| AMc-36 | Accentor | W. A. Robinson | 97 | 205 | 24 Jul 1941 | sold to Higgins 1946 |
| AMc-37 | Bateleur | W. A. Robinson | 97 | 205 | 26 Aug 1941 | sold 1946 |
| AMc-38 | Barbet | W. A. Robinson | 97 | 205 | 29 Sep 1941 | sold to Nassau Fertilizer 1947, converted to fishing vessel Barbet |
| AMc-39 | Brambling | W. A. Robinson | 97 | 205 | 15 Oct 1941 | sold 1947 |
| AMc-40 | Caracara | Bristol Yachtbuilding | 97 | 205 | 30 Dec 1941 | sold 1946 |
| AMc-41 | Charcalaca | Bristol Yachtbuilding | 97 | 205 | 11 Sep 1941 | sold 1946 |
| AMc-42 | Chimango | Gibbs Gas Engine | 97 | 205 | 3 Jun 1941 | sold 1946 |
| AMc-43 | Cotinga | Gibbs Gas Engine | 97 | 205 | 14 Jun 1941 | sold 1946 |
| AMc-44 | Courlan | Gibbs Gas Engine | 97 | 205 | 25 Jun 1941 | sold 1946 |
| AMc-45 | Develin | Gibbs Gas Engine | 97 | 205 | 9 Jul 1941 | sold 1946 |
| AMc-46 | Fulmar | Greenport Basin | 97 | 205 | 25 Jun 1941 | sold 1946 |
| AMc-47 | Jacamar | Greenport Basin | 97 | 205 | 25 Jun 1941 | sold 1946 |
| AMc-48 | Limpkin | Greenport Basin | 97 | 205 | 8 Aug 1941 | sold 1946 as Hiawatha, Blue Waters |
| AMc-49 | Lorikeet | Greenport Basin | 97 | 205 | 8 Aug 1941 | sold 1946 |
| AMc-50 | Marabout | Herreshoff Mfg. | 97 | 205 | 8 Jul 1941 | sold to City of Boston 1946, converted to fireboat James McTighe, sold 1972 |
| AMc-51 | Ostrich | Herreshoff Mfg. | 97 | 205 | 14 Jul 1941 | sold 1946 |
| AMc-52 | Roller | Snow Shipyards | 97 | 205 | 12 Aug 1941 | sold 1946 |
| AMc-53 | skimmer | Snow Shipyards | 97 | 205 | 26 Aug 1941 | sold 1946 |
| AMc-54 | Tapacola | Snow Shipyards | 97 | 205 | 20 Sep 1941 | sold 1946 |
| AMc-55 | Turaco | Snow Shipyards | 97 | 205 | 9 Oct 1941 | sold 1946 |
| AMc-56 | Kingbird | Quincy Dry Dock | 97 | 206 | 1939 | ex-Governor Saltonstall, acquired 1940, IX-176 1944, to MARAD 1946 |
| AMc-57 | Phoebe | Western BB | 95 | 205 | 2 May 1941 | ex-Western Robin, acquired 1940, sold back to builder 1946 |
| AMc-58 | Rhea | Martinolich SB | 98 | 307 | 15 Oct 1941 | ex-Hull 250, acquired 1940, to MARAD 1946 |
| AMc-59 | Ruff | Martinolich SB | 98 | 307 | 15 Oct 1941 | ex-Speaker (Hull 251, acquired 1940, to MARAD 1946 |
| AMc-60 | Chanticleer | ex-R. Lenahan, YF-381, YP-403 | ||||
| AMc-61 | Acme | Greenport Basin | 97 | 205 | 11 Sep 1941 | scrapped 1947 |
| AMc-62 | Adamant | Greenport Basin | 97 | 205 | 26 Sep 1941 | scrapped 1947 |
| AMc-63 | Advance | Greenport Basin | 97 | 205 | 10 Oct 1941 | scrapped 1947 |
| AMc-64 | Aggressor | Greenport Basin | 97 | 205 | 24 Oct 1941 | scrapped 1947 |
| AMc-65 | Assertive | Bristol Yachtbuilding | 97 | 205 | 7 Mar 1942 | sold 1946 |
| AMc-66 | Avenge | Bristol Yachtbuilding | 97 | 205 | 2 Apr 1942 | sold to United Fisheries 1946 |
| AMc-67 | Bold | Bristol Yachtbuilding | 97 | 205 | 27 May 1942 | sold 1948 |
| AMc-68 | Bulwark | Hodgdon Bros. | 97 | 205 | 5 Feb 1942 | sold to City of Boston 1946, converted to fireboat Joseph J. Luna, sold 1972, sank 2009 |
| AMc-69 | Combat | Hodgdon Bros. | 97 | 205 | 24 Feb 1942 | sold 1946 |
| AMc-70 | Conqueror | Warren Fish Co. | 97 | 205 | 6 Mar 1942 | sold 1946 |
| AMc-71 | Conquest | Warren Fish Co. | 97 | 205 | 9 Mar 1942 | sold 1946 |
| AMc-72 | Courier | Herreshoff Mfg. | 97 | 205 | 11 Oct 1941 | sold 1946 |
| AMc-73 | Defiance | Herreshoff Mfg. | 97 | 205 | 24 Nov 1941 | sold 1946 |
| AMc-74 | Demand | Gibbs Gas Engine | 97 | 205 | 5 Sep 1941 | sold 1946 |
| AMc-75 | Detector | Gibbs Gas Engine | 97 | 205 | 18 Sep 1941 | sold 1946 |
| AMc-76 | Dominant | Gibbs Gas Engine | 97 | 205 | 29 Sep 1941 | sold 1946 |
| AMc-77 | Endurance | Gibbs Gas Engine | 97 | 205 | 11 Oct 1941 | sold 1946 |
| AMc-78 | Energy | W. A. Robinson | 97 | 205 | 1 Jan 1942 | reclassified 1943 as YDT-3, sold 1960 as H. C. Hayes, Telson Queen 1963, Atlas 1989 |
| AMc-79 | Exultant | W. A. Robinson | 97 | 205 | 14 Jan 1942 | reclassified 1943 as YDT-4, sunk as target 1973 |
| AMc-80 | Fearless | W. A. Robinson | 97 | 205 | Feb 1942 | reclassified 1943 as YDT-5, sunk as target 1973 |
| AMc-81 | Fortitude | W. A. Robinson | 97 | 205 | Feb 1942 | reclassified 1943 as YDT-2, struck 1947 |
| AMc-82 | Governor | Camden Shipbuilding | 97 | 205 | 29 Jan 1942 | sold 1946 |
| AMc-83 | Guide | Camden Shipbuilding | 97 | 205 | 17 Mar 1942 | sold 1946 |
| AMc-84 | Heroic | Warren Boat Yard | 97 | 205 | 25 Mar 1942 | sold 1946 |
| AMc-85 | Ideal | Warren Boat Yard | 97 | 205 | 24 Apr 1942 | sold 1946 |
| AMc-86 | Industry | Fulton Shipyard | 97 | 205 | 19 Dec 1941 | lost in typhoon off Okinawa 9-Oct-45 |
| AMc-87 | Liberator | Fulton Shipyard | 97 | 205 | 22 Feb 1942 | sold 1946 |
| AMc-88 | Loyalty | Fulton Shipyard | 97 | 205 | 17 Jan 1942 | wrecked en route to Okinawa 16-Sep-45 |
| AMc-89 | Memorable | Fulton Shipyard | 97 | 205 | 9 Mar 1942 | sold 1946 |
| AMc-90 | Merit | Fulton Shipyard | 97 | 205 | 28 Mar 1942 | to USF&WS 1947 |
| AMc-91 | Observer | Fulton Shipyard | 97 | 205 | 14 Apr 1942 | sold to Douglas Oil 1946, Sea Wolf |
| AMc-92 | Paramount | Delaware Bay SB | 97 | 205 | 31 Dec 1941 | sold 1946 |
| AMc-93 | Peerless | Delaware Bay SB | 97 | 205 | 19 Feb 1942 | to US Army 1946 |
| AMc-94 | Pluck | Noank Shipbuilding | 97 | 205 | 6 Oct 1942 | sold 1946 |
| AMc-95 | Positive | Noank Shipbuilding | 97 | 205 | 20 Aug 1942 | sold 1946 |
| AMc-96 | Power/Reaper | Noank Shipbuilding | 97 | 205 | 14 Nov 1942 | sold to Cape May BW 1946 |
| AMc-97 | Prestige | Anderson & Cristofani | 97 | 205 | 23 Dec 1941 | sold 1946 |
| AMc-98 | Progress | Anderson & Cristofani | 97 | 205 | 24 Jan 1942 | sold 1946 |
| AMc-99 | Radiant | Anderson & Cristofani | 97 | 205 | 11 Feb 1942 | sold to North Shore Packing 1946 |
| AMc-100 | Reliable | Anderson & Cristofani | 97 | 205 | 9 Mar 1942 | sold 1946 |
| AMc-101 | Rocket | Anderson & Cristofani | 97 | 205 | 25 Mar 1942 | sold 1946 |
| AMc-102 | Royal | Anderson & Cristofani | 97 | 205 | 13 Apr 1942 | sold 1946 |
| AMc-103 | Security | H. G. Marr | 97 | 205 | 11 Mar 1942 | sold to Philip Filetto 1946, Evelyn M. Holmes. abandoned 1974 |
| AMc-104 | Skipper | H. G. Marr | 97 | 205 | 29 May 1942 | sold 1946 |
| AMc-105 | Stalwart | Snow Shipyards | 97 | 205 | 22 Jan 1942 | sold 1946 |
| AMc-106 | Summit | Snow Shipyards | 97 | 205 | 29 Jan 1942 | sold 1946 |
| AMc-107 | Trident | Snow Shipyards | 97 | 205 | 18 Feb 1942 | sold 1946 |
| AMc-108 | Valor | Snow Shipyards | 97 | 205 | 24 Mar 1942 | collision in Buzzard's Bay and lost 1944 |
| AMc-109 | Victor | Snow Shipyards | 97 | 205 | 17 Apr 1942 | sold 1946 |
| AMc-110 | Vigor | Snow Shipyards | 97 | 205 | 4 May 1942 | sold 1946 |
| AMc-111 | Agile | Petersen SB | 96 | 215 | 26 Nov 1941 | acquired 1941, sold 1946 |
| AMc-112 | Affray | Tacoma boat | 89 | 205 | 2 Dec 1941 | acquired 1941, returned to owner 1946 |
| AMc-149 | Nightingale | Western BB | 89 | 205 | 2 Dec 1941 | ex-Saint Francis, acquired 1941 as YP-150, AMc-149, IX-177, sold 1946 |
| AMc-203 | Medrick | Astoria Marine | 136 | 338 | 8 Jan 1944 | ex-PCS-1464, sold 1947 |
| AMc-204 | Minah | Astoria Marine | 136 | 338 | 15 Feb 1944 | ex-PCS-1465, AMCU-14, MHC-14, sold 1960 |