Type:Submarine
Displacement:
  • Group 1:
    • Surfaced: 665 tons
    • Submerged: 796 tons
  • Group 2:
    • Surfaced: 667 tons
    • Submerged: 807 tons
  • Group 3:
    • Surfaced: 662 tons
    • Submerged: 807 tons
  • Australian Boats:
    • Surfaced: 664 tons
    • Submerged: 780 tons
Length:
  • Group 1: 178 ft (54 m)
  • Group 2+3: 181 ft (55 m)
  • Australian boats: 176 ft (54 m)
Beam:All Groups: 15.05 ft (4.59 m)
Propulsion:
  • Group 1+ Australian Boats:
    • 2 × 800 hp Vickers diesel
    • 2 × 600 hp electric
    • 2 screws
  • Group 2+3:
    • 2 × 800 hp Vickers diesel
    • 2 × 840 hp electric
    • 2 screws
Speed:
  • Group 1:
    • Surfaced: 15 knots (28 km/h)
    • Submerged: 9.5 knots (17.6 km/h)
  • Group 2:
    • Surfaced: 15.25 knots (28.24 km/h)
    • Submerged: 10.25 knots (18.98 km/h)
  • Group 3 and Australian boats:
    • Surfaced: 15 knots (28 km/h)
    • Submerged: 10 knots (19 km/h)
Range:
  • All groups:
    • Surfaced: 3000 nmi at 10 knots
    • Submerged: 65 nmi at 5 knots
Complement:All groups: 30
Armament: