Italian submarine Macallé

	RIN Macalle
History
Kingdom of Italy
Name	Macallé
Namesake	Mek'ele
Builder	OTO
Laid down	1 March 1936
Launched	29 October 1936
Commissioned	1 March 1937
Fate	Wrecked and sank 15 June 1940
General characteristics
Class & type	600-Serie Adua-class submarine
Displacement	680 long tons (691 t) surfaced; 844 long tons (858 t) submerged;
Length	60.18 m (197 ft 5 in)
Beam	6.45 m (21 ft 2 in)
Draft	4.7 m (15 ft 5 in)
Installed power	1,200 bhp (890 kW) (diesels); 800 hp (600 kW) (electric motors);
Propulsion	Diesel-electric; 2 × FIAT diesel engines; 2 × Marelli electric motors;
Speed	14 knots (26 km/h; 16 mph) surfaced; 7.5 knots (13.9 km/h; 8.6 mph) submerged;
Range	3,180 nmi (5,890 km; 3,660 mi) at 10.5 knots (19.4 km/h; 12.1 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 Macallé was an Adua-class submarine built for the Royal Italian Navy (Regia Marina) during the 1930s. It was named after a town of Mek'ele in Ethiopia.