Mid Size Helicopters
HAL Chetak
ICAO: ALO3
Overview
The HAL Dhruv is a twin-engine utility helicopter developed by Hindustan Aeronautics Limited in India. Conceived to reduce reliance on foreign designs, it serves in military and civil roles. The aircraft represents a major step in India’s domestic aerospace capability.
Specifications
Units
- Engine
- 2 × Turbomeca TM 333-2B2
- Engine type
- Turboshaft
- Power
- 2 × 1,000 shp · 746 kW
- Avionics
- Israeli-supplied avionics
- Wing tips
- No winglets
- Seats
- 12
- Crew
- —
- Cabin width
- 6 ft 5 in · 1.95 m
- Cabin height
- 4 ft 8 in · 1.42 m
- Cabin length
- 8 ft 10 in · 2.68 m
- Exterior length
- 52 ft 1 in · 15.87 m
- Tail height
- —
- Fuselage diameter
- —
- Wing span
- 43 ft 4 in · 13.20 m
- Baggage volume
- 76 ft³ · 2.2 m³
- Gross weight
- —
- Empty weight
- —
- Max takeoff weight
- 12,100 lb · 5,500 kg
- Max landing weight
- —
- Max payload
- 5,750 lb · 2,600 kg
- Fuel capacity
- 360 gal · 1,400 L · 1,100 kg (Jet A)
- Max cruise speed
- 135 kt · 155 mph · 250 km/h
- Maximum speed
- —
- Cruise speed
- —
- Approach speed
- —
- Range
- 346 nm · 400 mi · 640 km
- Fuel burn
- 0.95 nm/gal · 0.46 km/L
- Ceiling
- 14,436 ft · 4,400 m
- Rate of climb
- 2,034 ft/min · 10 m/s
- Takeoff distance
- —
- Landing distance
- —
Gallery
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Operational Context
HAL Dhruv — Indian multirole utility helicopter
The Dhruv program began in the 1980s, with the first flight taking place in 1992. Development involved collaboration with foreign partners for dynamic components and certification support. The helicopter entered service in the early 2000s with the Indian armed forces and later with civilian operators.
Powered by two Turbomeca TM 333 or later Shakti turboshaft engines, each producing around 1,200 to 1,400 shaft horsepower, the Dhruv cruises at approximately 140 knots (260 km/h). Maximum takeoff weight is about 12,100 pounds (5,500 kg). The four-blade composite rotor system improves lift and reduces vibration.
The aircraft performs troop transport, medical evacuation, search and rescue, and maritime missions. Armed variants have also been developed for military use. The Dhruv program established HAL as a credible helicopter manufacturer and laid the foundation for future indigenous designs.