Technical information
| Type | ASW Trawler |
| Displacement | 460 BRT, Mastiff 520 BRT |
| Length | 160 feet, Mastiff 163 feet |
| Complement | 33 men |
| Armament | 1 4" gun 2 MG AA (2x1) |
| Max speed | 12 knots, Mastiff 13 knots |
| Engines | Reciprocating engine (V.T.E.), 1 shaft |
| Power | 850 IHP, Mastiff 950 IHP |
| Notes on class |
|
1 ASW Trawlers of the Dog class lost. See all ASW Trawler classes. |
Royal Navy (more on 