Technical information
| Type | Motor Anti-Submarine Boat |
| Displacement | 39 BRT |
| Length | 70 feet |
| Complement | 12 men |
| Armament | 1 20mm AA
4 .5" AA machine guns (2x2) |
| Max speed | 42 knots |
| Engines | Petrol engines, 3 shafts |
| Power | 3450 BHP |
| Notes on class | Specifications are as MGB's (not as MA/SB's). |
All ships of the White 70 feet-type class
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| HMS MA/SB 47 (MA/SB 47) | ||
| HMS MA/SB 48 (MA/SB 48) | ||
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| ORP S 1 (S 1) | ||
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Royal Navy (more on 
Polish Navy (more on See all Motor Anti-Submarine Boat classes.
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Books dealing with this subject include:
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