| Navy | The Royal Navy |
| Type | Sloop |
| Class | Grimsby |
| Pennant | L 47 / U 47 |
| Built by | Devonport Dockyard (Plymouth, U.K.): Thornycroft (Southampton, U.K.) |
| Ordered | 1 Mar, 1935 |
| Laid down | 14 Aug, 1935 |
| Launched | 24 Mar, 1936 |
| Commissioned | 19 Nov, 1936 |
| End service | |
| Loss position | |
| History | Served as a radar and radio trials ship for the Admiralty Signal and Radar Establishment after the war. Commanding Officers: Cdr. Ronald William Moir, RN Cdr. David Thomas Morgan Williams, RD, RNR Cdr. William Brown Piggott, RD, RNR A/Lt.Cdr. William Whitfield, DSC, RNR HMS Fleetwood is not listed as active unit in the October 1945 Navy List |
| Noteable events involving Fleetwood include: 11 May, 1943 2 Nov, 1943 |
