| Navy | The Royal Navy |
| Type | Sloop |
| Class | Black Swan |
| Pennant | U 03 |
| Built by | Furness Shipbuilding Ltd. (Haverton Hill-on-Tees, U.K.) : Richardson Westgarth |
| Ordered | |
| Laid down | 21 Sep, 1939 |
| Launched | 5 Aug, 1940 |
| Commissioned | 26 Apr, 1941 |
| End service | |
| Loss position | |
| History | Became a RNVR Drill ship on 4 June 1952 being renamed Wessex. Commanding Officers: HMS Erne was in Dockyard Control during repairs Lt.Cdr. Evelyn David John Abbot, RN HMS Erne in Dockyard Control during refit ??? Cdr. W.J. Hickey, RNR Lt.Cdr. James Arbouin Burnett, DSC, RN |
| Noteable events involving Erne include: 30 Apr, 1941 31 Jul, 1942 29 Aug, 1942 |
