General Characteristics Displacement: 1826 tons surfaced, 2391 tons submerged Length: 312 feet Beam: 27 feet Draft: 15 feet Test Depth: 400 feet Speed: 20.75 knots surfaced, 8.75 knots submerged Armament: one five-inch/25-caliber gun, two 40mm cannon, six 21-inch torpedo tubes forward, four aft Crew: 75 - 80 officers and men Powerplant: four 6500 hp Diesel engines/four 2740 hp electric motors Range: 12,000 nautical miles at 10 knots surfaced Boats
