USS Impervious (AM-449)

For other ships with the same name, see USS Impervious.
History
United States
BuilderMartinolich Shipbuilding Co., San Diego, California
Laid down18 November 1951
Launched29 August 1952
Commissioned15 July 1954
Decommissioned12 December 1991
ReclassifiedMSO-449 on 7 February 1955
Stricken18 March 1992
HomeportLong Beach, California
FateScrapped, 4 December 2000
General characteristics
Class and typeAgile class minesweeper
Displacement620 tons
Length172 ft (52.43 m)
Beam36 ft (10.97 m)
Draught10 ft (3.05 m)
PropulsionFour Packard ID1700 diesel engines, two shafts, two controllable pitch propellers
Speed16 knots
Complement74
Armamentone 40 mm mount

USS Impervious (AM-449/MSO-449) was an Agile-class minesweeper acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent the safe passage of ships.

Impervious was launched by Martinolich Shipbuilding Co., San Diego, California, 29 August 1952; sponsored by Miss Mary Lin Moore; and commissioned 15 July 1954.