Allied Warships

HMS Sentinel (P 256)

Submarine of the S class

NavyThe Royal Navy
PennantP 256 
ModFourth Group 
Built byScotts Shipbuilding & Engineering Co. (Greenock, Scotland) 
Ordered19 Oct 1942 
Laid down15 Nov 1943 
Launched27 Jul 1945 
Commissioned28 Dec 1945 
End service 

Sold to be broken up for scrap on 28 February 1962. Scrapped at Gillingham, Kent, England.


Commands listed for HMS Sentinel (P 256)

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and that we only list Commanding Officers for the duration of the Second World War.

1Lt. Guy Stewart Chetwode Clarabut, DSO, RNNov 1945

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Notable events involving Sentinel include:

14 Feb 1946
After a period of trials and training off the Scottish West coast HMS Sentinel (Lt. G.S.C. Clarabut, RN) departed the Clyde area for Portsmouth where she arrived two days later. (1)


  1. ADM 199/2570

ADM numbers indicate documents at the British National Archives at Kew, London.

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