Structure: double hulled Length: 66 meter Beam: 8 meter Draft: 8.2 meter Surface displacement: 1850 tons Submerged displacement: 2300 tons Maximum speed: 18 knots Cruise speed: 16 knots Range: 8000 nautical miles @ 16 knots Endurance: 60 days Crew: 38 total Maximum depth: 300 meters