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NavSource Online: Mine Warfare Vessel Photo Archive

Keokuk (AKN 4)



AKN-4 call sign:
Nan - William - Able - William

ex-CM-8
ex-AN-5
ex-CMc-6



CMc-6 call sign:
Nan - Uncle - Fox - Uncle

Keokuk Class Minelayer:

  • The second Keokuk was laid down in 1914 as the SS Henry M. Flagler by William Cramp and Sons, Philadelphia, PA
  • Renamed Columbia Heights in 1940
  • Acquired by the Navy 28 July 1941 for conversion to a Coastal Minelayer, CMc-6
  • Reclassified as a Net Layer, AN-5 and renamed Keokuk 15 August 1941
  • Commissioned USS Keokuk (AN-5), 28 February 1942
  • Reclassified as a Minelayer, CM-8, 18 May 1942
  • Reclassified as a Net Cargo Ship, AKN-4 in November 1943
  • Decommissioned 5 December 1945 at San Francisco, CA
  • Laid up 30 June 1946 at San Francisco
  • Transferred to the War Shipping Administration for disposal 1 July 1946
  • Sold 7 March 1947 to the West India Fruit and Steam Ship Co. of Florida and renamed Henry M. Flagler
  • Removed from the Reserve Fleet 10 March 1947 and turned over to her new owners
  • Acquired by the Sea Highway Co. in 1961 and renamed Flagler Odeca
  • Acquired by the Odeca Terminal Co. in 1964 and renamed Henry M. Flagler
  • Renamed Freight Transporter later that year
  • Foundered in a gale under tow 16 December 1971 off the Northeast coast of the Azores en route to a scrap yard in Spain.

    Specifications:

  • Displacement 6,150 t.
  • Length 353'
  • Beam 57'
  • Draft 17'
  • Speed 12 kts.
  • Complement 278
  • Armament: Three 3"/50 dual purpose mounts, two twin 40mm mounts, four .50 cal. machine guns and two .30 cal. machine guns
  • Propulsion: Four Scotch single ended cylindrical boilers, two 2,700shp Cramp vertical triple expansion engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    SS Henry M. Flagler
    Keokuk 137k . Tommy Trampp
    USS Keokuk (CM 8)
    Keokuk 78k c. 1941/1942 John C. Dommerman
    Keokuk 102k Near the Norfolk Navy Yard on 1 November 1942. This ship was reclassified from a net layer (AN-5) to a minelayer (CM-8) in May 1942 but probably underwent no modifications at that time as she had been initially configured for laying both mines and nets
    National Archives photo 19-N-36498 from the Naval History and Heritage Command
    Robert Hurst
    Keokuk 131k Near the Norfolk Navy Yard on 1 November 1942. This stern view shows her mine rails and the short kingpost with its boom between them. The mine rails were portable and could be removed and stowed on board the ship when she was handling nets
    National Archives photo 19-N-36500 from the Naval History and Heritage Command
    USS Keokuk (AKN 4)
    Keokuk 139k At San Francisco, California, on 27 November 1944. Her minimal conversion to a net cargo ship (AKN) in late 1943 appears to have included the enlargement of the two openings in the stern, and the lengthening of the stern kingpost and its boom
    National Archives photo 19-N-81342 from the Naval History and Heritage Command
    Original photo: Hyperwar U.S. Navy in WWII
    Replacement photo: Robert Hurst
    Keokuk 76k 27 November 1944. Robert Hurst
    Keokuk 138k At San Francisco, California, on 27 November 1944
    National Archives photo 19-N-81345 from the Naval History and Heritage Command
    SS Freight Transporter
    Keokuk 157k 12 July 1967
    Sitting off Miami Beach after hijack attempt by Cuban nationals
    United Press International Telephoto
    Tommy Trampp

    Commanding Officers
    01LCDR L. Brennan, USNR28 February 1942
    ??CDR Robert Paul Lewis, USN10 July 1944 - 1 October 1945
    Courtesy of Wolfgang Hechler, Ron Reeves and Joe Radigan

    View the Keokuk (CM 8)
    DANFS history entry located on the Naval History and Heritage Command website
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Coastal Minelayer (CMc) Photo Index Back to the Minelayer (CM) Photo Index Back to the Auxiliary Ship Index Back To The Net Layer (AN) Photo Index Back To The Net Cargo Ship (AKN) Photo Index

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    This page created by Gary P. Priolo and maintained by Joseph M. Radigan
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