O 9-class submarine
| Class overview | |
|---|---|
| Name | O 9 class |
| Builders |
|
| Operators | Royal Netherlands Navy |
| Preceded by | HNLMS O 8 |
| Succeeded by | O 12 class |
| Built | 1923–1926 |
| In commission | 1926–1944 |
| Completed | 3 |
| Lost | 1 |
| General characteristics | |
| Type | Submarine |
| Displacement |
|
| Length | 54.66 m (179 ft 4 in) |
| Beam | 5.7 m (18 ft 8 in) |
| Draught | 3.53 m (11 ft 7 in) |
| Propulsion |
|
| Speed |
|
| Range | |
| Complement | 29 |
| Armament |
|
The O 9-class submarine consisted of three submarines, built for the Royal Netherlands Navy. Used for patrols in the Dutch home waters. The class comprised O 9, O 10, and O 11. Its diving depth was 60 metres (200 ft).