| Navy | The Royal Navy |
| Type | MS Trawler |
| Class | Round Table |
| Pennant | T 228 |
| Built by | J. Lewis & Sons Ltd. (Aberdeen, Scotland) |
| Ordered | |
| Laid down | 17 Jul, 1941 |
| Launched | 4 Dec, 1941 |
| Commissioned | 26 Mar, 1942 |
| End service | |
| Loss position | |
| History | Became a danlayer in 1944. Sold in April 1946. |
| Noteable events involving Sir Lancelot include: 5 Feb, 1945 |