Country of Origin : Germany Role : Coastal Submarine First Laid Down : February 1935 First Commisioned : September 1935 Manufacturer : Deutsche Werke A.G. (Kiel) Number Produced : 6 Boats in Class : U-1 to U-6 Crew : 24 Length : 40.9 meters Beam : 4.08 meters Draught : 3.8 meters Height : 8.6 meters Surface Displacement : 254 tons Submerged Displacement : 303 tons Surface Speed : 13 knots per hour Submerged Speed : 7 knots per hour Surface Range : 2500 km @ 8 Knots Submerged Range : 55 km @ 4 Knots Time to Submerge : 25 - 35 seconds Maximum Depth : 150 meters Bow Torpedo Tubes : 3 Bow Torpedoes : 5 Stern Torpedo Tubes : 0 Stern Torpedoes : 0 Mines : 12 TMA (alternate to torpedoes) Deck Guns : None Anti-Aircraft Guns : 1x 20mm C/30 L / 65 (1200 rounds)