All you need to know about Chinook CH-47F

Hey Lads! Hope you all doing good

The guardians of our skies are becoming stronger by upgrading themselves with advanced technologies and equipment. Induction of Chinook CH-47F helicopters, on 25th March 2019 at the Air Force Station, Chandigarh, is indeed a remarkable advancement. The Government of India signed an LOA (Letter of Agreement) with the US Government on 28th September 2015. According to this agreement, it was fixed that India would acquire 15 Chinook CH-47F helicopters. The contract of providing these helicopters lies with Boeing USA.

The first batch of four Chinook CH-47F recently arrived (10th Feb 2019) at the Mundra Port in Gujrat. “The induction of the CH-47F(I) Chinooks is an asset to the Indian Air Force’s airlift capabilities,” said Air Chief Marshal B.S. Dhanoa at the induction.


Let’s know more about this beast!

  • Chinook is designed and developed by American rotorcraft company Vertol and manufactured by Boeing Vertol.
  • The name Chinook is derived from Native American Chinook people of modern-day Washington state.
  • It is twin-engined and has tandem rotors (two large horizontal rotor assemblies mounted one in front of the other)
  • The Chinook took its first flight in 1962 and has undergone numerous upgradations since then making it one of the most efficient heavy lift choppers in the world.
  • It is a transport vehicle which can lift very heavy objects thus making it an ideal one for airlifts and rescue operations. It can lift as heavy as two huge elephants at a time.
  • The beast can carry a heavy cargo of up to 22,000 lbs which can comprise heavy machines, armoured vehicles, artillery guns.
  • This military helicopter uses two Honeywell T55-GA-714A turboshaft engines and asymmetrical rotors. Its two engines produce a continuous power of 3,000 shp (shaft horsepower) with a maximum power of 3,750 shp each.
  • Its normal maximum range is 741 km which can be increased by its ability to store additional fuel.
  • It can be flown to very high altitudes, mountainous regions, valleys and tricky terrains which would facilitate the transportation of heavy armaments essential at the war zones. 
  • Chinook will facilitate Search and Rescue (SAR), Aeromedical Evacuation (AME), and Humanitarian Assistance and Disaster Relief (HADR) operations.
  • They will be a part of the No. 126 Helicopter Flight, IAF based in Chandigarh which initially used Mi-26.
  • The remaining 11 helicopters out of the total 15, will be inducted by the end of 2020
  • Chinook is used by 25 countries across the globe

General characteristics

  • Crew: three (pilot, copilot, flight engineer or loadmaster)
  • Capacity:
    • 33–55 troops or
    • 24 litters and 3 attendants
  • Length: 30.1 m
  • Height: 5.7 m
  • Empty Weight: 24,578 lb
  • Payload: 22,000 lb
  • Rotor diameter: 18.3 m
  • Disc area: 520 m2


  • Maximum speed: 315 km/h
  • Cruise speed: 296 km/h
  • Range: 741 km
  • Combat radius: 370 km
  • Ferry range: 2,252 km
  • Service ceiling: 6100 m
  • Rate of climb: 7.73 m/s
  • Disc loading: 47 kg/m2
  • Power/mass: 460 W/kg



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