Classical submarine, fast (55 km/h), maneuverable and strong. Stable at a depth and easy to control. "Akula" means "shark" in Russian.
Capacity: 17 persons.
Cruise speed: 55 km/h.
Weapons: 2 torpedo tubes, 2 front cannons, 8 aircraft machine guns.
Cost: see screenshots. Briefly: 591 Aluminum, 12 Propellers, 4 Rudders, 4 Fuel Cell Type 04, some weapons, lights and common equipment for boats and subs. NO PIGMENT!
Attention: the aircraft guns do not work properly if the target is from the board. To attack, turn to the enemy your stern or (better) bow. Do not forget to use target lock and then torpedo seeking guidance.