SS-403 USS Atule

Name: USS Atule (SS-403)
Builder: Portsmouth Naval Shipyard, Kittery, ME
Laid down: 2 Dec 1943
Launched: 6 Mar 1944
Commissioned: 21 Jun 1944
Decommissioned: 8 Sep 1947
Recommissioned: 8 Mar 1951
Decommissioned: 6 Apr 1970
Stricken: 15 Aug 1973
Fate: Transferred to Peru on 31 Jul 1974
Class and type: Balao-class diesel-electric submarine
Displacement: 1,526 tons (1,550 t) surfaced,[2] 2,391 tons (2,429 t) submerged
Length: 311 ft (3,730 in)
Beam: 27 ft 3 in (8.31 m)
Draft: 16 ft 10 in (5.13 m) maximum
Propulsion: 4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators
2 × 126-cell Sargo batteries
4 × high-speed Elliott electric motors with reduction gears, two propellers
5,400 shp (4.0 MW) surfaced
2,740 shp (2.0 MW) submerged
Speed: 20.25 kn (37.50 km/h) surfaced, 8.75 kn (16.21 km/h) submerged
Range: 11,000 nm (20,000 km) @ 10 kn (19 km/h) surfaced
Endurance: 48 hours @ 2 kn (3.7 km/h) submerged, 75 days on patrol
Test depth: 400 ft (120 m)
Complement: 10 officers, 70-71 enlisted
Armament: 10 × 21-inch (533 mm) torpedo tubes, 6 forward, 4 aft, 24 torpedoes
1 × 5-inch (127 mm) / 25 caliber deck gun
Bofors 40 mm and Oerlikon 20 mm cannon