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NavSource Online:
Motor Torpedo Boat Photo Archive

Courtesy of Tommy Trampp


Call sign:
Nan - William - Nan - Tare

80' Elco Motor Torpedo Boat:

  • Laid down 17 October 1944 by the Electric Boat Co., Elco Works, Bayonne, NJ
  • Launched 26 March 1945
  • Completed 13 April 1945, placed in service and assigned to Motor Torpedo Boat Squadron FORTY (MTBRon 40) under the command of LCDR George E. Cox, USNR
  • MTBRon 40, assigned to Pacific Fleet, arrived at Samar, P.I., in the summer of 1945, but had no action with the enemy prior to the cessation of hostilities
  • The "Mighty Mouse", ex-"Super Mouse" was placed out of service 21 December 1945
  • Struck from the Naval Register 8 January 1946
  • Transferred to the State Department, Foreign Liquidation Commission in May 1946 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-589 155k Offloading
    From the collection of Richard M. Landis, MoMM3c
    John De Noma
    PT-589 84k
    PT-594, 595, 596, 589 & 590 102k c. 1945
    Samar, Philippines
    PT-594, PT-595, PT-596, PT-589 and PT-590
    PT-589 165k c. 1945
    Photo courtesy of Richard Cardwell, MTBRon 27
    Bill Gonyo

    There is no DANFS history available for PT-589
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