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During the late 2000s, Indian aerospace manufacturer Hindustan Aeronautics Limited (HAL), which was interested in expanding their rotorcraft offering beyond that of the existing HAL Dhruv programme, began to explore the potential for the production of a conceptual 10-tonne class helicopter; this concept came to be known as the Medium Lift Helicopter (MLH). [4]
The HAL Dhruv is a utility helicopter designed and developed by Hindustan Aeronautics Limited (HAL) in November 1984. The helicopter first flew in 1992; its development was prolonged due to multiple factors including the Indian Army's requirement for design changes, budget restrictions, and sanctions placed on India following the 1998 Pokhran-II nuclear tests.
It is a common emergency procedure taught to helicopter pilots as part of their training. In normal powered helicopter flight, air is drawn into the main rotor system from above and forced downward, but during autorotation, air moves into the rotor system from below as the helicopter descends.
The President of India holds the rank of Supreme Commander of the IAF. [12] As of 1 January 2025 [update] , 135,000 personnel are in service with the Indian Air Force. [ 13 ] [ 14 ] The Chief of the Air Staff , an air chief marshal , is a four-star officer and is responsible for the bulk of operational command of the Air Force.
Contract of 3 HAL Dhruv helicopters for Turkey worth US$20 million. [33] US$10 million order from Namibia for HAL Chetak and Cheetah helicopters. [34] Supply of HAL Dhruv helicopters to Mauritius' National Police in a deal worth US$7 million. [35] Unmanned helicopter development project with Israel Aerospace Industries. [36]
Helicopters with fly-by-wire systems allow a cyclic-style controller to be mounted to the side of the pilot seat. The cyclic is used to control the main rotor in order to change the helicopter's direction of movement. In a hover, the cyclic controls the movement of the helicopter forward, back, and laterally.
The HAL Light Combat Helicopter (LCH) is a multirole combat helicopter, designed to perform various attack profiles, including relatively high altitude flight. [59] The design and development of the LCH was done in-house, by the Rotary Wing Research and Design Centre (RWR&DC), an internal design office of HAL dedicated to the design of helicopters.
The Bell 412 is a utility helicopter of the Huey family manufactured by Bell Helicopter. It is a development of the Bell 212 , with the major difference being the composite four-blade main rotor. It is a twin-turbine helicopter that has been popular on the civilian and military markets, and major users include Canada, Italy, and Japan.