Allied Warships

HMS Haarlem (FY 306)

ASW Trawler

NavyThe Royal Navy
TypeASW Trawler
Class[No specific class] 
PennantFY 306 
Built byCochrane & Sons Shipbuilders Ltd. (Selby, U.K.) 
Laid down 
Launched20 Nov 1937 
CommissionedJul 1940 
End service 

Completed in 9 March 1938.
Taken over by the Admiralty on 8 June 1940.
Displacement: 431 tons.

Returned to her owner in November 1945.
Scrapped at Hendrik Ido Ambacht, Netherlands late 1960.


Commands listed for HMS Haarlem (FY 306)

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1T/Lt. Leslie Bertram Merrick, RNRJul 194024 Sep 1942
2Lt. Harry Riding, RNR24 Sep 1942Jan 1943
3T/Lt. James Reginald Turner Broom, RNVRJan 1943late 1943
4T/Lt. Donald Arthur King, RNVRlate 194329 Jul 1944
5T/Lt. Desmond D'Arcy Hay Kerr, RNVR29 Jul 1944

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Notable events involving Haarlem include:

24 Oct 1940
With her trials and training completed, HMS Unique (Lt. A.F. Collett, RN), departed Campbeltown for Portsmouth. She was escorted by HMS Haarlem (T/Lt. L.B. Merrick, RNR). (1)

28 Mar 1941
HrMs O 21 (Lt.Cdr. J.F. van Dulm, RNN) carries out exercises off Gibraltar with HMS Fortune (Lt.Cdr. E.N. Sinclair, RN), HMS Kingston Chrysolite (Skr. G.T. Lilley, DSC, RNR) and HMS Haarlem (T/Lt. L.B. Merrick, RNR). (2)

19 Oct 1941
HMS Haarlem (Lt. L.B. Merrick, RNVR) picks up one survivor from the British tanker Inverlee that was torpedoed and sunk by German U-boat U-204 30 nautical miles 240° from Cape Spartel, Morocco.

6 Jan 1942
HMS Severn (Lt.Cdr. A.N.G. Campbell, RN) conducted A/S exercises off Gibraltar together with HMS Active (Lt.Cdr. M.W. Tomkinson, RN) and HMS Haarlem (T/Lt. L.B. Merrick, RNR). (3)

29 Nov 1942
HMS H 43 (Lt. B.J.B. Andrew, DSC, RN) conducted A/S exercises off Tobermory with HMS Lord Austin (T/Lt. E.L. Wathen, RNR), HMS Ayrshire, HMS Test (Lt.Cdr.(Retd.) F.B. Collinson, RD, RN) and HMS Haarlem (Lt. H. Riding, RNR). (4)

2 Dec 1942
HMS H 43 (Lt. R. Boyd, DSC, RN) conducted A/S exercises off Tobermory with HMS Haarlem (Lt. H. Riding, RNR) and HMS Mullet (A/Skr.Lt. J. Murray, RNR). (5)


  1. ADM 173/16680
  2. File (Dutch Archives, The Hague, Netherlands)
  3. ADM 173/17567
  4. ADM 173/17255
  5. ADM 173/17256

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

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