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NavSource Online: Mine Warfare Vessel Photo Archive

Obstructor (ACM 7)



Obstructor served the US Army, Navy and Coast Guard

Chimo Class Auxiliary Minelayer: Laid down, 1941 for the U.S. Army Coast Artillery Corps, Mine Planter Service as 1st Lieutenant William G. Sylvester at Marietta Manufacturing Co., Point Pleasant, WV; Launched, 1942; Transferred to the Navy, 4 January 1945 and converted to an Auxiliary Minelayer at Charleston Navy Yard; Commissioned USS Obstructor (ACM 7), 1 April 1945; Decommissioned, 28 June 1946 and transferred to the Coast Guard the same day; Struck from the Naval Register, 19 July 1946; Commissioned in the Coast Guard, 1 February 1947 and renamed USCGC Heather (WLB 331); Decommissioned, 15 December 1967. Fate unknown.

Specifications: Displacement 880 t.; Length 188' 2"; Beam 37'; Draft 12' 6"; Speed 12 kts; Complement 69; Armament one 40mm gun mount, four 20mm mounts; Propulsion, steam reciprocating engines, twin screws, 1,200 shaft hp.
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Obstructor 49k Arriving back at San Francisco, CA
15 June 1946
Mel Haas MM/3c
Former crew member

View the Obstructor (ACM 7)
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

Additional Resources and Web Sites of Interest
Naval Minewarfare Association
Association of Minemen

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