The submarine HNMS K IX (N 39) of the Royal Dutch Navy.
Technical information
| Type | Submarine |
| Displacement | 583 / 810 BRT |
| Length | 64.4m |
| Complement | 31 men |
| Armament | 1 3.5" gun 1 12.7mm MG 4 17.7" torpedo tubes (2 bow, 2 stern) 10 torpedoes |
| Max speed | 16 / 8 knots (surfaced/submerged) |
| Engines | Diesels / Electric |
| Power | 1550 / 400 HP (surfaced/submerged) |
| Notes on class | These boats benefitted from late WWI-war experiences and adjustments could be made to their design. |
All ships of the K VIII class
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| HMAS K 9 (N 39) | ||
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 | HNMS K VIII | |
| | HNMS K IX (N 39) | |
| | HNMS K X | Lost on 2 Mar 1942 |
Full wartime service history on this vessel. | ||
Royal Australian Navy (more on 
Royal Dutch Navy (more on See all Submarine classes.
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