Italian submarine Acciaio

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Career (Italy)
Name: Acciaio
Builder: OTO
Laid down: 21 November 1940
Launched: 22 January 1941
Commissioned: 30 October 1941
Fate: Sunk off Calabria by British submarine Unruly, 13 July1943
General characteristics [1] [2]
Class & type: Acciaio-class submarine
Displacement: 697 long tons (708 t) surfaced
850 long tons (864 t) submerged
Length: 60.18 m (197 ft 5 in)
Beam: 6.44 m (21 ft 2 in)
Draught: 4.78 m (15 ft 8 in)
Propulsion: 2 diesel engines, 2 electric engines
Speed: 14 knots (26 km/h; 16 mph) surfaced
7.7 knots (14.3 km/h; 8.9 mph) submerged
Range: 3,180 nmi (5,890 km) at 10.5 kn (19.4 km/h) surfaced
Test depth: 80 m (260 ft)
Complement: 45
Armament: • 1 × 100 mm (4 in)/47 calibre deck gun
• 6 × 533 mm (21 in) torpedo tubes (4 forward, 2 aft)
• 12 × torpedoes

The Italian submarine Acciaio was the lead vessel of the Acciaio class submarines serving in the Regia Marina during World War II.

Service history[edit]

Acciaio was built in OTO's shipyard at Muggiano on the Ligurian coast. She was laid down on 21 November 1940 and launched on 22 January 1941. She was commissioned on 30 October of the same year. The name Acciaio means “Steel” in Italian.

Acciaio’s first patrol was on 29 March 1942 and she carried out nine offensive patrols during her service career, against Allied naval forces in the Mediterranean. She had one success, when she sank British armed trawler Tervani on 7 February 1943 off the Algerian coast. Her last patrol was on 10 July from La Maddalena to act against Allied forces involved in Operation Husky, the invasion of Sicily.

Fate[edit]

On 13 July 1943, off coast of Calabria, Acciaio was sighted by British submarine Unruly.[1] Unruly fired a spread of four torpedoes, one of which hit. Accaio sank immediately with loss of all her crew.

Notes[edit]

  1. ^ a b Conway p310
  2. ^ Bagnasco p163

References[edit]

External links[edit]