Lenght o.a. mt. 13.50
Full breadth mt. 4.40
Displacement Kg. 18.000
Draught mt. 1.10
Max speed Kts. 20
Range more than n.m. 240
Crew n. 3+8 sub
Fuel capacity lt. 2.000
Water capacity lt. 400
Engines Hp. 550×2