Ships
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Surcouf

Surcouf

Sunk

French Navy, then Free French Naval Forces

TypeSubmarine
WarSecond World War
Main guns2 × 8″ guns in 1 twin turret

Service

to 1940Surcouf
from 1940Surcouf

Seized by the British and manned by the Free French

The largest submarine in the world when built, with two 8-inch guns and a seaplane hangar. Seized by the British at Plymouth in July 1940 and manned by the Free French; helped take the islands of Saint-Pierre and Miquelon in December 1941. Lost with all 130 aboard in the Caribbean on 18 February 1942, probably in a collision with a freighter.

French submarine Surcouf Photo: Unknown authorUnknown author, Public domain · Wikimedia Commons

Armament and specifications

Armament

  • 2 × 203 mm (8 in) guns (1 × 2)
  • 2 × 37 mm (1.5 in) anti-aircraft guns (2 × 1)
  • 4 × 13.2 mm (0.52 in) anti-aircraft machine guns (2 × 2)
  • 6 × 550 mm (22 in) torpedo tubes
  • 4 × 400 mm (16 in) torpedo tubes
BuilderCherbourg Arsenal
Laid down1 July 1927
Launched18 November 1929
Commissioned16 April 1934
Displacement3,250 long tons (3,302 t) (surfaced) 4,304 long tons (4,373 t) (submerged) 2,880 long tons (2,926 t) (dead)
Length110 m (361 ft)
Speed18.5 knots (34.3 km/h; 21.3 mph) (surfaced) 10 kn (19 km/h; 12 mph) (submerged)
Complement8 officers and 110 men

As built, from the ship's Wikipedia article. Figures there may cover later refits too.

Career

Launched

18 November 1929

3 July 1940

Her crew fought the boarding party; four killed

Joined the Free French Naval Forces

July 1940 · Seized by the British and manned by the Free French

Fate

Sunk

Disappeared, 18 February 1942