Main Page | See live article | Alphabetical index HMS Plym (K271), was a River-class anti-submarine frigate built for the Royal Navy at Smiths Dock, Middlesbrough, England. She was launched on February 4 1943, and commissioned on May 16, 1943. The ship was named after the River Plym in Devon, England. She was deliberately destroyed when the first British nuclear weapon, a 25 kiloton bomb, was detonated inside her hull on October 3, 1952 in the Monte Bello Islands, Australia. The test was called Operation Hurricane. General Characteristics Displacement: 1370 tons Length: 301.5 feet Beam: 36.5 feet Draft: 14 feet Complement: 140 Armament: Two 4 inch guns, ten 20mm anti-aircraft guns, Hedgehog depth charge mortar, Depth charge launchers Propulsion: Twin screws, oil fired three drum boilers driving reciprocating steams engine, 5500 HP Speed: 20 knots maximum This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.