| Navy | The Royal Navy |
| Type | Motor Torpedo Boat |
| Class | BPB 72 feet-type |
| Pennant | MTB 503 |
| Built by | British Power Boat (Hythe, England, U.K.) |
| Ordered | 2 Dec 1943 |
| Laid down | |
| Launched | |
| Commissioned | 12 Apr 1945 |
| End service | |
| History | Sold on 4 February 1948 |
We don't have any commands listed for HMS MTB 503 (MTB 503)
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