The fourth Dhruv prototype PT4/PT-N (IN901). The Indian Navy prototype, this model was equipped with retractable landing gear and the Shakti (Ardiden 1H1 in France) engine. The fuel capacity of the aircraft is 1,108 kg.
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 1-2 in Side-by-side arrangement
Landing gear: Wheels (all retractable)