Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online:
Motor Torpedo Boat Photo Archive

HM MTB-275

BPT-21 was built for India

BPT-21 Class Motor Torpedo Boat:

  • Laid down 5 September 1941 as BPT-21 by Annapolis Yacht Yard, Annapolis, MD
  • Launched 2 May 1942
  • Completed 2 March 1943, transferred to India and named HM MTB-275
  • Returned to U.S. Navy custody 16 March 1945
  • Struck from the Naval Register 12 March 1946 and transferred to the State Department, Foreign Liquidation Commission
  • Fate unknown.


  • Displacement 49 t.
  • Length 73'
  • Speed 40 kts.
  • Armament: Two 18" torpedoes, one 20mm mount and two .303 cal. Vickers 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
    BPT-21 160k 2 May 1942
    Annapolis Yacht Yard
    BPT-21 at her launch. The buildings in the background are the U.S. Naval Academy
    Photo courtesy R. T. Miller
    Robert Hurst
    BPT-21 128k Annapolis Yacht Yard
    BPT-21 some time after launching. The charthouse has been painted and torpedo tubes have been fitted
    Photo courtesy R. T. Miller
    HM MTB-275
    BPT-21 154k c. 1944
    Under refit
    Photo courtesy Geoffrey Hudson from "Allied Coastal Forces of World War II: Volume II" by John lambert and Al Ross
    Robert Hurst

    There is no DANFS history available for BPT-21
    Back To The Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Index Back to the Motor Torpedo Boat (PT) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created by Joseph M. Radigan and maintained by Tom Bateman
    All pages copyright NavSource Naval History