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

AM / MSO-427 Constant


All patches courtesy of Mike Smolinski



Call sign:
November - Delta - Alpha - Delta

Aggressive Class Minesweeper: Laid down, 16 August 1951 at Fulton Shipyard, Antioch, CA; Launched, 14 February 1953; Commissioned USS Constant (AM-427), 8 September 1954; Reclassified as an Ocean Minesweeper MSO-427, 7 February 1955; Decommissioned, 30 September 1992; Struck from the Naval Register, 9 March 1994; Sold for scrapping to Crowley Marine, removal date 29 September 1999; Scrapped, 1 April 2001.

Specifications: Displacement 630 t.(lt), 755 t.(fl); Length 172'; Beam 35'; Draft 10'; Speed 14 kts; Complement 6 Officers, 74 Enlisted; Armament, as built, one single 40mm gun mount, two .50 cal machine guns, final configuration, bow gun replaced by one twin 20mm gun mount, two .50 cal. machine guns remain; Propulsion, four Packard ID1700 diesel engines, two shafts, two controllable pitch propellers.


Click On Image
For Full Size Image
Size Image Description Source
Constant 158k - 102 Minesweepers
Web Site
Dick Lewis
Constant 171k c. 1960. Constant leading sister ships into port after mine exercises in
the Pacific.
DANFS
Constant 91k Campbell Shipyard, San Diego between September 1987 and January 1988. Chris Ronan
Constant 103k Campbell Shipyard, San Diego between September 1987 and January 1988. Chris Ronan
Constant 86k c. February 1990 Scott Van Aken

View the Constant (MSO-427)
DANFS History entry located on the Haze Gray & Underway Web Site. The main archive for the DANFS Online Project.

Crew Contact And Reunion Information
U.S.Navy Memorial Foundation
Fleet Reserve Association
Navy MSO Association Email Addresses
Additional Resources and Web Sites of Interest
102 Minesweepers (MSO) Oceangoing Minesweepers
Naval Minewarfare Association
Association of Minemen
Navy MSO Association
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 by Gary P. Priolo and maintained by Joe Radigan
© 1999-2003 Gary P. Priolo © 1999-2003 NavSource Naval History. All Rights Reserved.