Bandiera-class submarine

Class overview
Operators	Regia Marina
Preceded by	Pisani class
Succeeded by	Squalo class
In commission	1930–1948
Completed	4
Lost	1
Scrapped	3
General characteristics
Type	Submarine
Displacement	940 t (925 long tons) (surfaced) 1,097 t (1,080 long tons) (submerged)
Length	69.8 m (229 ft)
Beam	7.3 m (23 ft 11 in)
Draft	5.26 m (17 ft 3 in)
Installed power	3,000 bhp (2,200 kW) (diesels) 1,300 hp (970 kW) (electric motors)
Propulsion	2 shafts; diesel-electric 2 × diesel engines 2 × electric motors
Speed	15 knots (28 km/h; 17 mph) (surfaced) 8.2 knots (15.2 km/h; 9.4 mph) (submerged)
Range	4,750 nmi (8,800 km; 5,470 mi) at 8 knots (15 km/h; 9.2 mph) (surfaced) 60 nmi (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Test depth	90 m (300 ft)
Crew	53
Armament	1 × single 102 mm (4 in) deck gun 2 × single 13.2 mm (0.52 in) machine guns 8 × 533 mm (21 in) torpedo tubes (4 bow, 4 stern)

The Bandiera-class submarines were built for the Regia Marina (Royal Italian Navy) during the late 1920s. They played a minor role in the Spanish Civil War of 1936–1939 supporting the Spanish Nationalists.