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NavSource Online: Mine Warfare Vessel Photo Archive

AMCU-9
ex-LCI(L)-409



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.

    Specifications:

  • 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

    There is no DANFS History currently available for AMCU-9
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To The Amphibious Ship Index Back To The Landing Craft Infantry (LCI) Photo Index Back To The Mine Warfare Ship Photo Index Back to the Coastal Minesweeper (Underwater Locator) - (AMCU) Photo Index

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    This page created and maintained by Joseph M. Radigan
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