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: Mine Warfare Vessel Photo Archive

MSO-487
ex-AM-487


AM-487 was built for Portugal.
AM-478 Class Fleet Minesweeper:

  • Laid down 18 August 1953 as AM-487 by the Burger Boat Co., Manitowoc, WI
  • Launched 1 April 1954
  • Sponsored by Mrs. A. S. Von Wening
  • Reclassified by U. S. Navy as an Ocean Minesweeper, MSO-487, 7 February 1955
  • Completed 3 October 1955
  • Transferred to Portugal 23 November 1955 and named NRP Corvo (M 418)
  • Decommissioned 2 April 1973 and scrapped at Santander, Spain.

    Specifications:

  • Displacement 665 t.
  • Length 172'
  • Beam 35'
  • Draft 10'
  • Speed 13.5 kts.
  • Complement 39
  • Armament: One 40mm mount and two .50 cal. machine guns
  • Propulsion: 1,600shp General Motors diesel engines, two shafts.
    Click on thumbnail
    for full size image    		 Size Image Description Source
    MSO-487 28k Namesake: Corvo Island (Portuguese: Ilha do Corvo, literally the Island of the Crow, is the smallest and the northernmost island of the Azores archipelago and the northernmost in Macaronesia, has a population of approximately 468 inhabitants (in 2006) constituting the smallest single municipality in the Azores and in Portugal, and lies within the North American Plate Tommy Trampp
    Photo added 20 March 2020
    MSO-487 105k Original photo: c. 1961
    Portuguese Navy photo
    Replacement photo: c. 1961
    Portuguese Navy photo from the 1961/1962 edition of Jane's Fighting Ships    		 Original photo: Jane's Fighting Ships
    Replacement photo: Robert Hurst
    Second replacement photo: David Wright
    There is no DANFS history available for MSO-487
    102 Minesweepers (MSO) Oceangoing Minesweepers
    Back to the Main Photo Index Back to the Mine Warfare Ship Photo Index Back to the Ocean Minesweeper (MSO) Photo Index
    Comments, Suggestions, E-mail Webmaster
    This page created and maintained by Joseph M. Radigan (of blessed memory) & David Wright
    All Pages © 1996 - 2023, NavSource History, All rights reserved.