Royal Navy — Submarine
HMS Utmost
Service
- as HMS Utmost17 August 1940 — 25 November 1942830 days of the war
British U-class submarine
Particulars
- Name
- HMS Utmost
- Builder
- Vickers-Armstrongs, Barrow-in-Furness
- Laid down
- 2 November 1939
- Launched
- 20 April 1940
- Commissioned
- 17 August 1940
- Fate
- Sunk 25 November 1942 (1942)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 540 long tons (549 t)
- Displacement, submerged
- 730 long tons (742 t)
- Length
- 58.22 m (191 ft)
- Beam
- 4.9 m (16.1 ft)
- Draught
- 4.62 m (15.2 ft)
- Speed
- 11.3 knots (20.8 km/h, 12.9 mph)
- Complement
- 27
- Main gun
- 76 mm (3 in)
HMS Utmost was a British U-class submarine in service with the Royal Navy. Vickers-Armstrongs, Barrow-in-Furness laid her keel on 2 November 1939. Launched on 20 April 1940, she entered service on 17 August 1940.
53 ships of the class were built.
The boat displaced 540 long tons surfaced and 730 long tons submerged. She measured 58.2 m (191 ft) long with a beam of 4.9 m (16 ft). Her designed speed was 11.2 knots, and she carried a complement of 27. Her main battery was of 76 mm (3.0 in) calibre.
She was in commission for 830 days of the Second World War.
She was sunk on 25 November 1942, at 38°31′N 12°01′E. 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 shaft diesel-electric
- 2 Paxman Ricardo diesel generators + electric motors
- 615 / 825 hp
- Armament
- 4 bow internal 21 inch (533 mm) torpedo tubes, 2 external
- 10 torpedoes
- 1 - 3 in gun
Sister ships
- French submarine Curie (P67)
- HMS P32 (1940)
- HMS P33 (1941)
- HMS P36 (1941)
- HMS P38 (1941)
- HMS P39
- HMS P47
- HMS P48 (1942)
- HMS Ultimatum
- HMS Ultor
- HMS Umbra
- HMS Umpire (N82)
- HMS Una
- HMS Unbeaten
- HMS Unbending
- HMS Unbroken
- HMS Undaunted (N55)
- HMS Undine (N48)
- HMS Union (N56)
- HMS Unique (N95)
- HMS Unison
- HMS United
- HMS Unity (N66)
- HMS Universal
Sources
- Facts harvested from HMS Utmost on Wikipedia. Figures only — no wording is taken from it.
- Photograph: Royal Navy official photographer — This photograph FL 4279 comes from the collections of the Imperial War Museums (collection no. 8308-29) — Public domain — Wikimedia Commons