| Navy | The Royal Navy |
| Type | Sloop |
| Class | Modified Black Swan |
| Pennant | U 30 |
| Built by | William Denny & Brothers (Dumbarton, Scotland) |
| Ordered | 11 Feb 1942 |
| Laid down | 8 Sep 1942 |
| Launched | 11 Nov 1943 |
| Commissioned | 12 May 1944 |
| End service | |
| History | Sold to the West German Navy on 5 May 1959. |
Commands listed for HMS Mermaid (U 30)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | Lt.Cdr. John Pemberton Mosse, RN | 2 Apr 1944 | Sep 1945 |
| 2 | Lt.Cdr. John Townshend Kimpton, DSC, RN | Sep 1945 |
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Notable events involving Mermaid include:
30 May 1944
HMS H 50 (T/Lt. A.F. Wicker, RNVR) conducted A/S exercises off Campbeltown with HMS Mermaid (Lt.Cdr. J.P. Mosse, RN) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR). (1)
18 Jun 1944
HMS Varangian (Lt. G.J. Glennie, RANVR) conducted A/S exercises off Tobermory with HMS Mermaid (Lt.Cdr. J.P. Mosse, RN). (2)
19 Jun 1944
HMS Varangian (Lt. G.J. Glennie, RANVR) conducted A/S exercises off Tobermory with HMS Mermaid (Lt.Cdr. J.P. Mosse, RN). (2)
21 Jun 1944
HMS Unrivalled (Lt. D.S. Brown, RNVR) conducted exercises off Tobermory with HMS Pevensey Castle (A/Lt.Cdr. C.W. Leadbetter, RNR) and HMS Mermaid (Lt.Cdr. J.P. Mosse, RN). (3)
22 Jun 1944
HMS Unrivalled (Lt. D.S. Brown, RNVR) conducted exercises off Tobermory with HMS Pevensey Castle (A/Lt.Cdr. C.W. Leadbetter, RNR) and HMS Mermaid (Lt.Cdr. J.P. Mosse, RN). (3)
6 Jul 1944
HMS Shakespeare (Lt. D. Swanston, DSC and Bar, RN) conducted A/S exercises with HMS Mermaid (Lt.Cdr. J.P. Mosse, RN), HMS Hamlet (T/Lt. J.C. Boyd, RNVR) and HMS Graemsay (A/Skr.Lt. A.R. Lewis, RNR). (4)
24 Aug 1944
German U-boat U-354 was sunk in the Barents Sea north-east of North Cape, in position 72°49'N, 30°41'E, by depth charges from the British sloop HMS Mermaid (Lt.Cdr. J.P. Mosse, RN) and the British frigate HMS Loch Dunvegan (Cdr. E. Wheeler, RD, RNR).
2 Sep 1944
German U-boat U-394 was sunk in the Norwegian Sea some nautical miles south-east of Jan Mayen island, Norway, in position 69°47'N, 04°10'E, by rockets and depth charges from a Swordfish aircraft (Sqdn. 825) from the British escort carrier HMS Vindex (Capt. H.T.T. Bayliss, RN), and the British destroyers HMS Keppel (Cdr. I.J. Tyson, DSO, DSC, RNR) and HMS Whitehall (Lt.Cdr. P.J. Cowell, DSC, RN) and the British sloops HMS Mermaid (Lt.Cdr. J.P. Mosse, RN) and HMS Peacock (Lt.Cdr. R.B. Stannard, VC, DSO, RNR).
Sources
- ADM 173/18528
- ADM 173/19351
- ADM 173/19224
- ADM 173/18719
ADM numbers indicate documents at the British National Archives at Kew, London.