Allied Warships

HMIS Investigator (J 81)


NavyThe Royal Indian Navy
Class[No specific class] 
PennantJ 81 
Built byW. Simons & Co. Ltd. (Renfrew, Scotland) 
Laid down 
Launched13 Mar 1925 
Commissioned 1934 
End service 

Former Government Cable ship Patrick Stewart. Taken over by the Royal Indian Navy in 1932 and converted to a surving ship in 1934. Served as patrol sloop during the Second World War. Sold in 1951.

Displacement: 1572 tons (1890 tons, full load)
Dimensions: 226 (pp), 247 (oa) x 37.5 x 13.5 (16.25 full load) feet
Machinery: 2 Boilers, 2 shafts, reciprocating engine, IHP 2400 = 12.5 knots
Armament: 1 4.7" gun, 2 20mm (AA) (2x1), 2 .303" (AA) (2x1)
Completment: 109 

Commands listed for HMIS Investigator (J 81)

Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.

1Lancelot Sanderson, RIN1 Oct 193529 Sep 1939
2Cdr. Henry Richmond Inigo-Jones, RIN29 Sep 1939Mar 1940
3Lt.Cdr. Hector Eric Felsor Paine, RINMar 19408 Apr 1940
4Lt.Cdr. Martin Henry St.Leger Nott, OBE, RIN8 Apr 194016 Jul 1940
5Lt. William Joseph Graham Hughes, RIN16 Jul 194011 Jan 1941
6Cdr. Harold Charles Beauchamp, RIN11 Jan 194128 Dec 1941
7Lt. Maurice Gilbert Collins, RIN28 Dec 1941mid 1942
8R M Snelgrove, RINRmid 19421 Dec 1942
9T/Lt. Roy Walker Emerson, RINR1 Dec 194215 May 1943
10W H Currie, RINVR15 May 19431 Dec 1944
11A/Lt.Cdr. Anthony Troughton Bond, RIN1 Dec 194425 Aug 1945
12T/A/Lt.Cdr. George Alfred Foster, RINR25 Aug 194522 Oct 1945

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Notable events involving Investigator include:

16 Oct 1940
Around 0715EF/16, HMS Hector (Capt.(Retd.) R.W.M. Lloyd, DSO, RN) departed Bombay to search for the merchant vessel Marly (Norwegian, 1115 GRT, built 1918) which had sent an SOS from position 18°30'N, 72°21'E stating they had encountered a cyclone and were sinking and taking to the lifeboats.

The sloop HMIS Investigator (Lt. W.J.G. Hughes, RIN, which was out on patrol, was also sent to search for the survivors but she was forced to return due to the heavy weather.

The Norwegian ship was not encountered and no survivors were ever found. (1)


  1. ADM 53/112422

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

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