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NavSource Online:
Motor Torpedo Boat Photo Archive


Call sign:
Nan - William - George - Mike

77' Elco Motor Torpedo Boat:

  • Laid down 4 June 1941 by the Electric Boat Co., Elco Works, Bayonne, NJ
  • Launched 14 August 1941
  • Completed 9 September 1941
  • Assigned to Motor Torpedo Boat Squadron TWO (MTBRon 2) under the command of Lt. Comdr. Earl S. Caldwell
  • MTBRon 2 tested the first 70' Elco boats in Florida and Caribbean waters in the winter of 1940/41. In December 1941, with 11 new 77' Elco boats, the squadron was assigned to the Panama Sea Frontier.
    Then late in 1942, with six 77' Elco boats and six 80' Elco boats, it was shipped to the South Pacific, where it was active in the Solomons campaign, engaging in many strenuous night actions with the Tokyo Express in the defense of Guadalcanal
  • Transferred to MTBRon 3(2), 11 November 1943 under the command of Lt. Richard E. Johnson
  • Transferred 7 August 1944 to MTB Squadrons Training Center Melville, RI and used for training repair personnel
  • Reclassified as a Small Boat, C-102583, 14 October 1944
  • Transferred 3 March 1945 to Naval Station, Philadelphia, PA for use in dehydration and preservation tests
  • Surveyed 21 March 1947
  • Fate unknown.


  • Displacement 40 t.
  • Length 77'
  • Beam 19' 11"
  • Draft 4' 6"
  • Speed 41 kts.
  • Complement 15
  • Armament: Two twin .50 cal. Browning M2 machine guns in Dewandre turrets and four 21" torpedoes
  • Propulsion: Three 3,600shp Packard V12 M2500 gasoline engines, three shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    PT-47 142k 12 November 1942
    Being off loaded from the SS Robin Wentley at Noumea, New Caledonia
    PT-47 148k Cover of the June 1966 edition of DC Comics Tommy Trampp
    Photo added 16 September 2020

    There is no DANFS history available for PT-47
    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 Tom Bateman
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