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NavSource Online:
Motor Torpedo Boat Photo Archive


Call sign:
Nan - King - Queen - Peter

80' Elco Motor Torpedo Boat:

  • Laid down 15 December 1942 by the Electric Boat Co., Elco Works, Bayonne, NJ
  • Launched 23 February 1943
  • Completed 15 March 1943, placed in service and assigned to Motor Torpedo Boat Squadron FIVE (MTBRon 5) under the command of Comdr. Henry Farrow, USN
  • MTBRon 5 was assigned to Panama Sea Frontier from September 1942 until the spring of 1943, when it was shipped to the Solomons
  • Transferred 15 April 1943 to Motor Torpedo Boat Squadron FOUR (MTBRon 4) under the command of Lt. Comdr. S. Stephen Daunis, USN
  • MTBRon 4, was the training squadron, based at the MTB Squadrons Training Center, Melville, R.I. It was the largest squadron, having a peak of 28 boats in service at one time. When the training center
    was decommissioned early in 1946, MTBRon 4 was assigned to the Operational Development Force, and based at Solomons, Maryland
  • Placed out of service 14 January 1946
  • Struck from the Naval Register 7 February 1946
  • Transferred to the War Shipping Administration 8 June 1948 and sold
  • Fate unknown.


  • Displacement 56 t.
  • Length 80'
  • Beam 20' 8"
  • Draft 5'
  • Speed 41 kts.
  • Complement 17
  • Armament: One 40mm mount, one 37mm mount, four 21" Torpedoes and two twin .50 cal. machine guns
  • Propulsion: Three 1,500shp Packard W-14 M2500 gasoline engines, three shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    PT-139 & 315 135k PT-315 and PT-139 at Melville, RI Jerry Gilmartin, MMC(SW), USN, Ret.
    PT-315 181k Training maneuvers off Melville, Rhode Island, during World War II Mark Joram
    PT-315 170k
    PT-140 244k 15 June 1945
    PT-315 and PT-140 which has an experimental "wake camouflage" system fitted, the hoses for the system can be seen on the bow and stern
    National Archives photo
    Tracy White

    There is no DANFS history available for PT-315
    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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