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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Jig - William - Victor

LCI(L)-351 Class Landing Craft Infantry (Large)/AMCU-7 Class Coastal Minesweeper (Underwater Locator):

  • Laid down 15 January 1944 by the George Lawley and Sons Corp., Neponset, MA
  • Launched 20 January 1944
  • Commissioned USS LCI(L)-409, 25 January 1944 under the command of LTJG John L. Gurney, Jr., USNR
  • During World War II was assigned to the European Theater and participated in the invasion of Normandy, 6 - 25 June 1944 (Landed Co. E, 115th Infantry on Omaha Beach) and the invasion of Southern
    France, 15 August -16 September 1944
  • Transferred to the Maritime Commission for lay up in the National Defense Reserve Fleet
  • Reclassified as a Coastal Minesweeper (Underwater Locator), AMCU-9, 10 March 1945
  • Embarked General Electric employees and Bureau of Ships officers from 1 July - 27 August 1945, for underwater sound testing experiments off Block Island, RI and Niantic Bay, CT
  • Decommissioned in July 1946 at San Francisco, CA
  • Transferred to the War Shipping Administration in October 1947
  • LCI(L)-409 earned two battle stars for World War II service
  • Acquired in 1949 by the Sound Reduction Co. of Seattle, WA, converted to a fishing boat and named SR 9
  • Acquired in 1950 by the Skilak Packing Co. of Edmonds, WA
  • Abandoned in 1953
  • Fate unknown.


  • Displacement 216 t. (light), 234 t. (landing), 389 t. (loaded)
    1945 - 387 t.
  • Length 158' 5½"
    1945 - 159'
  • Beam 23' 3"
    1945 - 23' 8"
  • Draft, Light 3'1½" mean, Landing, 2' 8" forward, 41'10" aft, Landing, 5' 4"forward, 5' 11" aft
    1945 - 5' 8"
  • Speed 16 kts. (max.), 14 kts. maximum continuous
    1945 - 14.4 kts.
  • Complement 23
    1945 - 41
  • Troop capacity 188
  • Cargo capacity 75 tons
  • Armor, 2" plastic splinter protection on gun turrets, conning tower and pilot house
  • Endurance 4,000 miles at 12 kts, loaded, 500 miles at 15 knots
  • Armament: Four 20mm guns one forward, one amidship, two aft, later added two .50 cal. machine guns
  • Fuel capacity 130 tons, lube oil 200 gal.
  • Propulsion: Two sets of four 225bhp General Motors 6051-71 diesel engines, General Motors single reduction gear, two shafts, variable pitch propellers.
    Click on thumbnail
    for full size image
    Size Image Description Source
    AMCU-9 102k 18 January 1944
    George Lawley and Sons Corp., Neponset, MA
    LCI(L)-408 ready to launch with LCI(L)-409 on ways No. 2
    Gary Priolo
    AMCU-9 80k 18 January 1944
    George Lawley and Sons Corp., Neponset, MA
    LCI(L)-408 on ways No. 1 ready to launch, LCI(L)-409 on ways No. 2 with LCI(L)-410 on ways No. 8
    AMCU-9 147k 18 January 1944
    George Lawley and Sons Corp., Neponset, MA
    LCI(L)-409 on ways No. 2 with LCI(L)-412 stern in cradle
    USS LCI(L)-409
    AMCU-9 161k LCI(L)-409 and LCI(L)-410 returning to the Boston Navy Yard in late 1944
    U.S. Navy photo from 1st Naval District Commandant
    Mike Green

    There is no DANFS History currently available for AMCU-9
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    This page created and maintained by Joseph M. Radigan
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