Allied Warships

HMS Grassholm (T 344)

MS Trawler of the Isles class

NavyThe Royal Navy
TypeMS Trawler
PennantT 344 
Built byJ. Lewis & Sons Ltd. (Aberdeen, Scotland) 
Ordered11 Apr 1942 
Laid down23 Nov 1942 
Launched20 Apr 1943 
Commissioned25 Aug 1943 
End service 
HistorySold in 1946.


Commands listed for HMS Grassholm (T 344)

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1T/Lt. John Anton Antonsen, RNR22 Jun 1943mid 1944
2T/Lt. Wilfred Arthur Wortham, RNVRmid 1944

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Notable events involving Grassholm include:

17 Oct 1943
HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Tobermory together with HMS Chelmer (T/A/Lt.Cdr. R.A. Cherry, RNR), HMS Grassholm (T/Lt. J.A. Antonsen, RNR), HMS Vanessa (Lt. C.E. Sheen, DSC, RN) and HMS Northern Sun (T/Lt. H. Meredith, RNVR), (1)

24 Apr 1944
HMS Seraph (Lt. T. Russell-Walling, RN) conducted A/S exercises off Plymouth with HMS Grassholm (T/Lt. J.A. Antonsen, RNR), HMS Minalto (A/Skr.Lt. A.S.H. Robb, RD, RNR), HMS Asie (A/Ch.Skr. F. Oldman, RNR) and HMS Ellesmere (T/Lt. A.C. Munro, RNVR). (2)


  1. File (Dutch Archives, The Hague, Netherlands)
  2. ADM 173/18697

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

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