Technical information
| Type | Boom defence vessel |
| Displacement | |
| Length | |
| Complement | |
| Armament | 1 3" AA gun 2 20mm AA |
| Max speed | 14 knots |
| Notes on class |
All ships of the Pre class
| ||
| HMS Prefect (Z 263) | ||
| HMS Precept (Z 266) | ||
| HMS Precise (Z 285) | ||
| HMS Pretext (Z 284) | ||
| HMS Preventer (Z 265) | ||
| ||
Royal Navy (more on See all Boom defence vessel classes.