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NavSource Online: Mine Warfare Vessel Photo Archive

Grosbeak (AMc 19)

Call sign:
Nan - Uncle - Fox - Peter

Coastal Minesweeper:

  • Built in 1935 as F/V Del Rio by J. M. Martinac, Tacoma, WA
  • Acquired by the Navy in 1940
  • Commissioned USS Grosbeak (AMc 19), 11 November 1940
  • Decommissioned 12 September 1944
  • Struck from the Naval Register 14 October 1944
  • Transferred to the War Shipping Administration 2 April 1945 and returned to her former owner at San Pedro, CA
  • Caught fire 28 October 1952 off Anacapa Island, Channel Islands, CA
  • F/V Sea Rover removed 11 survivors and transported them to San Pedro
  • Del Rio drifted up on the beach and sank between Big Anacapa Island and Little Anacapa Island at 34 00' N, 119 24' W.


  • Displacement 185 t.
  • Length 81' 2"
  • Beam 21' 5"
  • Draft 9' 8"
  • Speed 10 kts.
  • Complement 16
  • Armament: Two .50 cal. machine guns
  • Propulsion: One diesel engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Grosbeak 152k

    Any of several species of finches, having a thick, strong, conical bill.

    Tommy Trampp
    Photo added 10 December 2021
    Grosbeak 93k 14 April 1941 Original photo: Gunter Krebs
    Replacement photo: Robert Hurst

    View the Grosbeak (AMc 19)
    DANFS history entry located on the Haze Gray & Underway website
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