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USS Jackdaw (AMS-21)
Career (United States)
Ordered: as USS YMS-373
Laid down: 28 December 1942
Launched: 29 January 1944
Commissioned: 29 April 1944
Decommissioned: date unknown
Struck: 1 January 1960
Fate: transferred to Brazil, 1960
Career (Brazil)
Name: Jurvá (M13)
Acquired: 18 January 1960
General characteristics
Displacement: 215 tons
Length: 136 ft (41 m)
Beam: 24 ft 6 in (7.47 m)
Draught: 10 ft (3.0 m)
Speed: 13 knots
Complement: 50
Armament: one 3” gun mount

USS Jackdaw (AMS-21/YMS-373) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the third U.S. Navy ship to be named for the jackdaw.


USS YMS-373 was constructed at the Weaver Shipyards, Orange, Texas. She was laid down 28 December 1942, launched 29 January 1944, and commissioned as USS YMS-373 on 29 April 1944.

On 18 February 1947 YMS-373 was reclassified as a minesweeper, USS Jackdaw (AMS-21).

Jackdaw was transferred in 1960 to Brazil, which named her Jurvá.

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