Allied Warships

HMS Sennen (Y 21)

Sloop of the Banff class

NavyThe Royal Navy
TypeSloop
ClassBanff 
PennantY 21 
Built byBethlehem Shipbuilding Corp. (Quincy, Massachusetts, U.S.A.) 
Ordered 
Laid down23 May 1928 
Launched11 Oct 1928 
Commissioned12 May 1941 
End service27 Mar 1946 
History

Returned to the United States on 27 March 1946. Her recommissioning was cancelled and she was sold on 25 March 1948.

 
Former nameUSCGC Champlain

Commands listed for HMS Sennen (Y 21)

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CommanderFromTo
1Lt.Cdr. David Charles Kinloch, RNJun 194111 Nov 1941
2Lt.Cdr. Rider Stewart Abram, RN11 Nov 194112 Feb 1943
3Lt.Cdr. Frederick Harold Thornton, RNR12 Feb 19438 May 1945
4A/Lt.Cdr. Bernard Morland Skinner, RN8 May 194516 Feb 1946

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Notable events involving Sennen include:


3 Jul 1941
HMS H 44 (Lt. A.C.G. Mars, RN) conducted A/S exercises off Lough Foyle with HMS Sennen (Lt.Cdr. D.C. Kinloch, RN) and HMS Totland (Lt.Cdr.(Emgy.) S.G.C. Rawson, RN). (1)

4 Jul 1941
HMS H 44 (Lt. A.C.G. Mars, RN) conducted A/S exercises off Lough Foyle with HMS Sennen (Lt.Cdr. D.C. Kinloch, RN), HMS Totland (Lt.Cdr.(Emgy.) S.G.C. Rawson, RN) and HMS Skate (Lt. F.P. Baker, DSC, RN). (1)

29 Aug 1942
HMS H 43 (Lt. J.C.Y. Roxburgh, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Pelican (Cdr. G.V. Gladstone, RN), HMS Sennen (Lt.Cdr. R.S. Abram, RN), HMS Narcissus (Lt. W.G.H. Bolton, RNR), HMS Heather (T/Lt. W.L. Turner, RNR) and FFS Renoncule. (2)

30 Aug 1942
HMS H 43 (Lt. J.C.Y. Roxburgh, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Pelican (Cdr. G.V. Gladstone, RN) and HMS Sennen (Lt.Cdr. R.S. Abram, RN). (2)

7 Jan 1943
HMS H 34 (Lt. G.M. Noll, RN) conducted A/S exercises off Lough Foyle with HMS Wear, HMS Sennen (Lt.Cdr. R.S. Abram, RN), HMS Scimitar (Lt.Cdr. C.G. Cuthbertson, DSC, RNR), HMS Geranium (T/A/Lt.Cdr. A. Foxall, RNR) and HMS Wellington (Lt. L.G. Toone, RN). (3)

14 Feb 1943
HMS H 44 (Lt. I.S. McIntosh, RN) conducted A/S exercises off Lough Foyle with HMS Harvester (Cdr. A.A. Tait, DSO, RN), HMS Pelican (Cdr. J.G. Gould, RN), HMS Sennen (Lt.Cdr. F.H. Thornton, RNR), HMS Wear and HMS Rother (Lt.Cdr. R.V.E. Case, DSC and Bar, RD, RNR). (4)

14 Apr 1943
HMS H 33 (Lt. J.A. Spender, RN) conducted A/S exercises off Lough Foyle with HMS Wear (), HMS Sunflower (A/Lt.Cdr. J. Plomer, RCNVR), HMCS Kenogami (T/Lt. J.L. Percy, RCNVR), HMS Sennen (Lt.Cdr. F.H. Thornton, DSC, RNR), HMS Pelican (Cdr. G.N. Brewer, RN) and HMS Spey (Cdr. H.G. Boys-Smith, DSO and Bar, DSC, RD, RNR). (5)

19 May 1943
German U-boat U-954 was sunk in the North Atlantic south-east of Cape Farewell, Greenland in position 54°54'N, 34°19'W, by depth charges from the British frigate HMS Jed (Lt.Cdr. R.C. Freaker, DSO, RNR) and the British sloop HMS Sennen (Lt.Cdr. F.H. Thornton, DSC, RNR).

5 Sep 1943
HMS H 33 (Lt. D.G. Kent, RN) conducted A/S exercises off Lough Foyle with HMS Westcott (Lt.Cdr.(Retd.) H. Lambton, RN), HMS Pennywort (A/Lt.Cdr. O.G. Stuart, RCNVR) and HMS Sennen (Lt.Cdr. F.H. Thornton, DSC, RNR). (6)

Sources

  1. ADM 173/16783
  2. ADM 173/17252
  3. ADM 173/17790
  4. ADM 173/17813
  5. ADM 173/17781
  6. ADM 173/17786

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


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