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NavSource Online: Mine Warfare Vessel Photo Archive

Apex (MSF 142)

Apex only served in the Soviet Navy

Admirable Class Minesweeper:

  • Originally planned as Apex (AMc 119)
  • Reclassified AM-142, 21 February 1942
  • Laid down 8 June 1942 by the Tampa Shipbuilding Co., Tampa, FL
  • Launched 7 December 1942Completed 17 August 1943, transferred to the Soviet Union and reclassified T-115 the same day
  • Assigned to the Federation Council
  • Used as a training ship between 15 January - 12 March 1945
  • Reclassified by U.S. Navy as a Fleet Minesweeper (Steel Hull), MSF-142, 7 February 1955
  • Returned to U.S. Navy custody 1 September 1955 (on paper only), reclassified as a Dispatch Vessel and named Aidar
  • Scrapped 28 February 1961
  • Struck from the Navy Register 1 January 1983.


  • Displacement 650 t., 840 t. (fl)
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 85
  • Armament: Two 3"/50 dual purpose gun mounts, eight 20mm gun mounts, two 7.63mm Browning machine guns, one depth charge projector (hedgehogs), and two depth charge tracks
  • Propulsion: Two 1,710shp ALCO 539 diesel engines, Farrel-Birmingham single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Apex 58k T-119, ex-Aspire (AM 146) and T-115, ex-Apex (AM 142)
    Photo from "Korabli i katera VMF SSSR 1939 - 1945" (Warships and Cutters of Soviet Navy 1939 - 1945) by A. Shirokorad
    Original photo: Alex I. Khomenko
    Kiev, Ukraine
    Replacement photo: George Pol
    Apex 64k George Pol
    Apex 75k
    Apex 112k
    Apex 121k Warrant Officer L. Lazarev with model of T-115
    Apex 66k Victory Star

    View the Apex (MSF 142)
    DANFS history entry located on the Naval History and Heritage Command website
    Additional Resources and Websites of Interest
    Naval Minewarfare Association Association of Minemen

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    This page created and maintained by Joseph M. Radigan
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