| Navy | The Royal Navy |
| Type | Rescue Tug |
| Class | Assurance |
| Pennant | W 109 |
| Built by | Cochrane & Sons Shipbuilders Ltd. (Selby, U.K.) |
| Ordered | |
| Laid down | 14 Aug, 1941 |
| Launched | 21 Nov, 1941 |
| Commissioned | 10 Jun, 1942 |
| End service | |
| Loss position | |
| History | HMRT Charon was renamed Alligator when she became a Dockyard Tug in 1947. Scrapped at Tipnor in January 1959. |
