HNLMS O 20
- Displacement
- 1,109 long tons (1,127 t)
- Length
- 80.7 m (264.8 ft)
- Beam
- 7.41 m (24.3 ft)
- Speed
- 19.5 knots (36.1 km/h, 22.4 mph)
- Complement
- 40
- Main gun
- 88 mm (3.5 in)
Service
- as O 2028 August 1939 — 19 December 1941840 days of the war
- Name
- HNLMS O 20
- Builder
- Wilton-Fijenoord, Rotterdam
- Laid down
- 15 June 1936
- Launched
- 31 January 1939
- Commissioned
- 28 August 1939
- Fate
- Sunk on 19 December 1941 (1941)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 1,109 long tons (1,127 t)
- Displacement, submerged
- 1,491 long tons (1,515 t)
- Length
- 80.7 m (264.8 ft)
- Beam
- 7.41 m (24.3 ft)
- Draught
- 3.87 m (12.7 ft)
- Speed
- 19.5 knots (36.1 km/h, 22.4 mph)
- Range
- 10,000 nmi (18,520 km)
- Complement
- 40
- Main gun
- 88 mm (3.5 in)
HNLMS O 20 was a O 19-class submarine of the Royal Netherlands Navy. Her keel was laid at Wilton-Fijenoord, Rotterdam on 15 June 1936. She entered service on 28 August 1939, having been launched on 31 January 1939.
Her class ran to two ships. The class followed the HNLMS O 16 and was succeeded by the O 21-class submarine.
The boat displaced 1,109 long tons surfaced and 1,491 long tons submerged. She measured 80.7 m (265 ft) long with a beam of 7.4 m (24 ft). Her designed speed was 19.5 knots, and she carried a complement of 40.
Her main battery was one 88 mm (3.5 in) guns.
She was in commission for 840 days of the Second World War.
She was sunk on 19 December 1941. The wreck survives.
Written from the harvested record. Every figure above is sourced; the wording is this site's own.
Armament and machinery
Armament and machinery
- Propulsion
- 2 × 2650 bhp diesel engines
- 2 × 500 bhp electric motors
- Armament
- 4 × 21 in bow torpedo tubes
- 4 × 21 in stern torpedo tubes
- 2 × external amidship mine tubes (10 mines each)
- 1 x 88 mm gun
- 1 x 40 mm gun
Sister ships
Sources
- Facts harvested from HNLMS O 20 on Wikipedia. Figures only — no wording is taken from it.