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Along with the Alouette III, the Cheetah was a key product for HAL; experience from manufacturing the type aided in the later development of more advanced indigenous helicopters such as the HAL Dhruv. [5] During the 1990s, HAL developed an armed light attack helicopter based upon the Cheetah, which was given the name Lancer. [6] [7]
Unlike most other categories of aircraft, the introduction of the tri-service designation system in 1962 did not result in a wholesale redesignation of helicopters. While six types received new designations in the unified, "re-started" sequence, the original "H-" series of designations that started in 1948 was also continued, and no further ...
The FAA states "The height–velocity diagram or H/V curve is a graph charting the safe/unsafe flight profiles relevant to a specific helicopter. As operation outside the safe area of the chart can be fatal in the event of a power or transmission failure it is sometimes referred to as the dead man's curve."
Reference stall speed. [7] V S R 0: Reference stall speed in landing configuration. [7] V S R 1: Reference stall speed in a specific configuration. [7] V SW: Speed at which the stall warning will occur. [7] V TOSS: Category A rotorcraft takeoff safety speed. [7] [23] V X: Speed that will allow for best angle of climb. [7] [8] V Y: Speed that ...
The United States department of Defense was established in 1949, the old name Department of War was retired in 1947. In 1962 separate aircraft naming schemes were unified, but out of convenience many numbers carried over. For example, the P-38 Lightning, which also was used as the F-4 and F-5 for reconnaissance and FO in the Navy, became the F-38.
Aircraft Origin Type Variant In service Notes Helicopters; Boeing AH-64: United States attack AH-64E(I) 6 on order [44]: HAL Prachand: India attack: 90 on order [29]: HAL Rudra
Donald Trump mocked Jimmy Carter as worst president in history. But after Carter's death, Trump suggested ex-leader had his 'highest respect.'
British military aircraft designations are used to refer to aircraft types and variants operated by the armed forces of the United Kingdom.. Since the end of the First World War, aircraft types in British military service have generally been known by a service name (e.g. 'Spitfire'), with individual variants recognised by mark numbers, often in combination with a letter to indicate the role.