Italian submarine Ambra

	Ambra being launched
History
Kingdom of Italy
Name	Ambra
Namesake	Amber
Builder	OTO, Muggiano
Laid down	28 August 1935
Launched	28 May 1936
Commissioned	4 August 1936
Fate	Sunk, 4 September 1944
General characteristics
Class & type	Perla-class submarine
Displacement	622.57 tonnes (613 long tons) standard; 696.0 tonnes (685 long tons) normal (surfaced); 852.5 tonnes (839 long tons) normal (submerged);
Length	60.18 m (197 ft 5 in)
Beam	6.454 m (21 ft 2.1 in)
Draft	4.724 m (15 ft 6.0 in)
Installed power	1,200 bhp (890 kW) (diesels); 800 hp (600 kW) (electric motors);
Propulsion	Diesel-electric; 2 × Tosi diesel engines; 2 × Marelli electric engines;
Speed	14 knots (26 km/h; 16 mph) surfaced; 7.5 knots (13.9 km/h; 8.6 mph) submerged;
Range	5,200 nmi (9,600 km; 6,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced; 74 nmi (137 km; 85 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	80 m (260 ft)
Complement	44 (4 officers + 40 non-officers and sailors)
Armament	6 × 533 mm (21 in) torpedo tubes (4 bow, 2 stern); 1 × 100 mm (4 in) / 47 caliber deck gun; 2 x 1 – 13.2 mm (0.52 in) anti-aircraft guns;

Italian submarine Ambra was a Perla-class submarine built for the Royal Italian Navy (Regia Marina) during the 1930s. She was named after the gemstone amber.

History
Ambra being launched
Kingdom of Italy
Name	Ambra
Namesake	Amber
Builder	OTO, Muggiano
Laid down	28 August 1935
Launched	28 May 1936
Commissioned	4 August 1936
Fate	Sunk, 4 September 1944
General characteristics
Class & type	Perla-class submarine
Displacement	622.57 tonnes (613 long tons) standard 696.0 tonnes (685 long tons) normal (surfaced) 852.5 tonnes (839 long tons) normal (submerged)
Length	60.18 m (197 ft 5 in)
Beam	6.454 m (21 ft 2.1 in)
Draft	4.724 m (15 ft 6.0 in)
Installed power	1,200 bhp (890 kW) (diesels) 800 hp (600 kW) (electric motors)
Propulsion	Diesel-electric 2 × Tosi diesel engines 2 × Marelli electric engines
Speed	14 knots (26 km/h; 16 mph) surfaced 7.5 knots (13.9 km/h; 8.6 mph) submerged
Range	5,200 nmi (9,600 km; 6,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced 74 nmi (137 km; 85 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	80 m (260 ft)
Complement	44 (4 officers + 40 non-officers and sailors)
Armament	6 × 533 mm (21 in) torpedo tubes (4 bow, 2 stern) 1 × 100 mm (4 in) / 47 caliber deck gun 2 x 1 – 13.2 mm (0.52 in) anti-aircraft guns