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HMS Plym (K271)

River-class frigate of the Royal Navy

Field	Value
section1	{{Infobox ship/image
image	HMS Plym.jpg
image_caption	HMS Plym under way on 12 May 1943
section2	{{Infobox ship/career
country	United Kingdom
flag
name	Plym
namesake	River Plym
builder	Smiths Dock Co., South Bank-on-Tees
laid_down	1 August 1942
launched	4 February 1943
commissioned	16 May 1943
decommissioned	1952
identification	Pennant number: K271
fate	Destroyed on 3 October 1952 in the Operation Hurricane nuclear bomb test in the Montebello Islands, Western Australia.
section3	{{Infobox ship/characteristics
class
displacement	*1370 LT
*{{convert	1830	LT	abbr	on}} (deep load)
length	*283 ft p/p
*{{convert	301.25	ft	m	2	abbr	on}}o/a
beam	36.5 ft
draught	9 ft; 13 ft (deep load)
propulsion	2 × Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion, 5500 ihp
speed	20 kn
range	7500 nmi at 15 kn
endurance	646 LT oil fuel
complement	140
* 2 × QF [[QF 4 inch Mk XIX naval gun	{{convert	4	in	mm	abbr	on	0}}/40 Mk.XIX]], single mounts CP Mk.XXIII

1830 LT (deep load)
301.25 fto/a
2 × QF 4 in/40 Mk.XIX, single mounts CP Mk.XXIII
up to 10 × QF 20 mm Oerlikon A/A on twin mounts Mk.V and single mounts Mk.III
1 × Hedgehog 24 spigot A/S projector
up to 150 depth charges

HMS Plym (K271) was a River-class frigate that served in the Royal Navy between 1943 and 1952. The ship was destroyed in the United Kingdom's first nuclear weapon test, Operation Hurricane in 1952.

Construction

Plym was built to the Royal Navy's specifications as a Group II . She was laid down by Smiths Dock Co. at their yard in South Bank-on-Tees on 1 August 1942 and launched on 4 February 1943. She was commissioned into the Royal Navy on 16 May 1943 as HMS Plym (K271) and was named after the River Plym in Devon, England which flows into the English Channel at Plymouth.

Service history

Plym saw extensive service on Atlantic convoy escort missions. Plym, along with , and , provided anti-submarine escort to the convoy WS-33 which arrived in South Africa from the United Kingdom on 9 October 1943 with critical reinforcements for service in Burma.

Operation Hurricane

Plym was used as the detonation platform for the UK's first nuclear weapon in Operation Hurricane. A 25-kiloton atom bomb was detonated a few seconds before 09:30 local time on 3 October 1952 approximately 400 m from the island of Trimouille in the Monte Bello Islands, Western Australia.

Although data acquisition would have been simplified by detonating the bomb from a tower above the ground or sea surface, it was conducted aboard Plym in order to simulate the effects of a nuclear weapon being smuggled into a British harbour aboard a ship.

References

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

1943-ships ships-built-on-the-river-tees river-class-frigates-of-the-royal-navy maritime-incidents-in-1952 shipwrecks-of-western-australia shipwrecks-in-the-indian-ocean

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