Allied Warships

HMS Medusa (FY 018)

Armed Yacht

NavyThe Royal Navy
TypeArmed Yacht
Class[No specific class] 
PennantFY 018 
Built byDay Summers & Co Ltd. (Northam, England, U.K.) 
Laid down 
Launched 1906 
Lost17 Mar 1941 

Displacement: 597 tons.
Completed in August 1906.
Requisitioned by the Admiralty in September 1939.
Served in A/S role.

Renamed Mollusc in 1939.
Bombed and sunk by German aircraft off Blyth on 17 March 1941.


Commands listed for HMS Medusa (FY 018)

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.

1Cdr. (retired) John Gilbert Sutton, RN11 Mar 19406 Sep 1940
2Cdr. (retired) Francis Theodor Hare, RN12 Sep 194030 Nov 1940
3Lt.Cdr. (retired) Robert Harvey Aldworth, RN30 Nov 1940Mar 1941
4N P Doyle, RNRMar 194117 Mar 1941

You can help improve our commands section
Click here to Submit events/comments/updates for this vessel.
Please use this if you spot mistakes or want to improve this ships page.

Notable events involving Medusa include:

23 Feb 1941
HMS Sunfish (Lt. G.R. Colvin, RN) departed Blyth for Scapa Flow. She was escorted by HMS Mollusc (Lt.Cdr.(Retd.) R.H. Aldworth, RN) until 0440/24 when HMS Brilliant (Lt.Cdr. F.C. Brodrick, RN) took over the escort. (1)


  1. ADM 199/400

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

Return to the Allied Warships section