Allied Warships

HMS Conn (K 509)

Frigate of the Captain class

Photo courtesy of Gordon Simmonds.

NavyThe Royal Navy
PennantK 509 
Built byBethlehem-Hingham Shipyard Inc. (Hingham, Massachusetts, U.S.A.) 
Ordered10 Jan 1942 
Laid down2 Jun 1943 
Launched21 Aug 1943 
Commissioned31 Oct 1943 
End service 

Assigned USN penant DE 80 but not named.

Returned to the USN on 26 November 1945. Stricken and scrapped.

Former nameDE 80

Commands listed for HMS Conn (K 509)

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.

1Lt. Charles Douglas Theodore Williams, RN29 Oct 1943Sep 1944
2Lt.Cdr. Raymond Hart, DSC, RNSep 1944Jun 1945
3Lt.Cdr. Alexander Kenneth Mackelvie, RNVRJun 1945Jul 1945
4Lt. Anthony George Glanusk Vanrenen, RNJul 1945late 1945

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Notable events involving Conn include:

4 Oct 1944
HMS Upshot (Lt. H.W. Wilkinson, RN) conducted A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Conn (Lt.Cdr. R. Hart, DSC and Bar, RN). (1)

11 Jan 1945
HrMs O 24 (Lt.Cdr. P.J.S. de Jong, RNN) conducted A/S exercises off Larne with HMS Conn (Lt.Cdr. R. Hart, DSC and Bar, RN), HMS Deane (T/Lt.Cdr. F. Brock, RCNVR) and later with HMS Garlies (T/A/Lt.Cdr. L.M.M. Stamp, RNVR), HMS Bentley (Lt.Cdr. E.G. May, DSC, RN) and HMS Gore (Lt. J.V. Reeves-Brown, DSC, RN). (2)

27 Mar 1945
German U-boat U-905 was sunk in the North Atlantic in the North Minch, in position 58°34'N, 05°46'W, by depth charges from the British frigate HMS Conn (Lt.Cdr. R. Hart, DSC and Bar, RN).

30 Mar 1945
German U-boat U-965 was sunk north of Scotland, in position 58°19'N, 05°31'W by depth charges from the British frigates HMS Rupert (Lt. P.C.S. Black, RN) and HMS Conn (Lt.Cdr. R. Hart, DSC and Bar, RN).

Media links

The Captain Class Frigates in the Second World War

Collingwood, Donald


  1. ADM 173/19300
  2. File (Dutch Archives, The Hague, Netherlands)

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

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