Medium submarine RO-63.
The L4 Type (RO-60 class) submarines were developed from the British L Class design and powered by Vickers diesel engines. They were used operationally early in the war, but later withdrawn and using as training boats.
|Units||10 (4 survived)|
|Ships||RO-60, RO-61, RO-62, RO-63, RO-64, RO-65, RO-66, RO-67 and RO-68|
|Year(s) Completed||1922 - 1926|
|Displacement||990 tons / 1,322 tons|
|Dimensions||250 ft x 24.3 ft x 12.3 ft|
|Machinery||2 diesels: 2,400 hp
2 electric motors
|Speed||16 knots / 8 knots|
|Range||5,500 nm @ 10 knots|
|Armament||6 x533mm TT fwd + 1x76mm (10 Torpedoes)|
|Max. Depth||59 m (195 feet)|
|Crew||60 officers and men|