HMS Sentinel (P256)

S-class submarine

Service

Royal Navy as HMS Sentinel28 December 1945 — 28 February 1962

S-class submarine Particulars

Name: HMS Sentinel
Pennant / hull number: P256
Builder: Scotts, Greenock
Laid down: 15 November 1943
Launched: 27 July 1945
Commissioned: 28 December 1945
Fate: Sold 28 February 1962 (1962)
Status: Unknown

Specifications

Displacement, surfaced: 814 long tons (827 t)
Displacement, submerged: 990 long tons (1,006 t)
Length: 66.14 m (217 ft)
Beam: 7.01 m (23 ft)
Draught: 4.27 m (14 ft)
Speed: 14.8 knots (27.3 km/h, 17 mph)
Range: 7,500 nmi (13,890 km)
Complement: 48
Main gun: 102 mm (4 in)

HMS Sentinel was a S-class submarine in service with the Royal Navy. She carried the pennant number P256. Scotts, Greenock laid her keel on 15 November 1943. Launched on 27 July 1945, she entered service on 28 December 1945.

111 ships of the class were built.

The boat displaced 814 long tons surfaced and 990 long tons submerged. She measured 66.1 m (217 ft) long with a beam of 7.0 m (23 ft). Her designed speed was 14.8 knots, and she carried a complement of 48. Her main battery was of 102 mm (4.0 in) calibre.

Her machinery developed 1,900 bhp.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Propulsion: 2 × diesel engines
2 × electric motors
Power: 1900 bhp (diesel)
1300 hp (electric)
Armament: 6 × bow 21 in torpedo tubes
1 × 4-inch (102 mm) deck gun

Sister ships

86 more in the class

Sources

Facts harvested from HMS Sentinel (P256) on Wikipedia. Figures only — no wording is taken from it.
Photograph: Royal Navy official photographer — This photograph FL 2260 comes from the collections of the Imperial War Museums (collection no. 8308-29) — Public domain — Wikimedia Commons