| Navy | The Royal Navy |
| Type | Motor Gun Boat |
| Class | Fairmile D |
| Pennant | MGB 637 |
| Mod | Motor Gun Boat |
| Built by | Alex Robertson & Sons Ltd. (Sandbank, Scotland, U.K.) |
| Ordered | 27 Apr 1941 |
| Laid down | |
| Launched | |
| Commissioned | Jan 1943 |
| Lost | 30 Jan 1946 |
| History | Reclassified as Motor Torpedo Boat MTB 637 in 1943 |
Commands listed for HMS MGB 637 (MGB 637)
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.
| Commander | From | To | |
| 1 | E F Smyth, RNVR | 28 Dec 1942 | 23 Jul 1943 |
| 2 | T/Lt. Basil Guy Pritchard de Mattos, RNVR | 23 Jul 1943 | 8 Aug 1943 |
| 3 | T/Lt. Ronald Perks, DSC, RNVR | 8 Aug 1943 | 26 Sep 1943 |
| 4 | R C Davidson, RNVR | 26 Sep 1943 | mid 1945 |
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