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NavSource Online:
Motor Torpedo Boat Photo Archive


Call sign:
Nan - William - Easy - How

80' Elco Motor Torpedo Boat:

  • Built by Electric Boat Co., Elco Works, Bayonne, NJ
  • Laid down, 20 December 1943
  • Launched, 28 March 1944
  • Completed, 04 May 1944, placed in service and assigned to Motor Torpedo Boat Squadron THIRTY SIX (MTBRon 36) under the command of Lt. Comdr. Francis D. Tappaan, USNR
  • MTBRon 36, assigned to the Southwest Pacific, had action at Mios Woendi, New Guinea; at San Pedro Bay, Lingayen Gulf, and Tawi Tawi in the Philippines; and at Tarakan, Borneo
  • The "She Devil" was placed out of service, 29 October 1945
  • Transferred to the State Department, Foreign Liquidation Commission in May 1946 and sold
  • Fate unknown
    Displacement 56 tons
    Length 80' 0"
    Beam 20' 8"
    Draft 5' 0"
    Speed 41 knots
    Complement 17
    Armament One 40mm mount, one 37mm mount, four 21" Torpedoes and two twin .50 cal. machine guns
    PropulsionThree 1,500shp Packard W-14 M2500 gasoline engines
    three shafts

    Click on thumbnail
    for full size image
    Size Image Description Source
    508k Photo of PT-531's pilothouse. Note the mission markings above her number. Thomas C. Schultz
    762k Portrait of PT-531's crew, date and location unknown. Thomas C. Schultz

    Boat Captains
    01LT William H. Von Bergen, Jr., USNDecember 1944
    Courtesy Joe Radigan

    There is no DANFS history available for PT-531
    Back to the Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Index Back to the Motor Torpedo Boat (PT) Photo Index

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    This page created by Joseph M. Radigan and maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 28 June 2023