The gunboat HNMS Gruno (F 81) of the Royal Dutch Navy.
Technical information
| Type | Gunboat |
| Displacement | 542 BRT |
| Length | 52,5 m |
| Complement | 63 men |
| Armament | 4 4.1" guns (4x1) 2 12.7mm AA |
| Max speed | 15 knots |
| Engines | Diesel engines, 2 shafts |
| Power | 1200 HP |
| Notes on class | Obsolete gunboats but well armed with 4 4.1" guns as main battery. |
Royal Dutch Navy ships of the Gruno class
To see all Gruno class ships click here.
 | HNMS Brinio | Lost on 14 May 1940 |
| HNMS Friso (i) | Lost on 12 May 1940 | |
| | HNMS Gruno (F 81) | |
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See all Royal Dutch Navy Gunboat classes.
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