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 and 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.

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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 and 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)^[1]
Beam	6.454 m (21 ft 2.1 in)^[1]
Draft	4.724 m (15 ft 6.0 in)^[1]
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^[1] 7.5 knots (13.9 km/h; 8.6 mph) submerged^[1]
Range	5,200 nmi (9,600 km; 6,000 mi) at 8 knots (15 km/h; 9.2 mph) surfaced^[1] 74 nmi (137 km; 85 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged^[1]
Test depth	80 m (260 ft)^[1]
Complement	44 (4 officers + 40 non-officers and sailors)
Armament	6 × 533 mm (21 in) torpedo tubes (4 bow, 2 stern)^[1] 1 × 100 mm (4 in) / 47 caliber deck gun^[1] 2 x 1 – 13.2 mm (0.52 in) anti-aircraft guns^[1]