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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]
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 ."
The Rockwell B-1 Lancer [b] is a supersonic variable-sweep wing, heavy bomber used by the United States Air Force. It has been nicknamed the "Bone" (from "B-One"). [2] [3] As of 2024, it is one of the United States Air Force's three strategic bombers, along with the B-2 Spirit and the B-52 Stratofortress. Its 75,000-pound (34,000 kg) payload is ...
An example of two-blade rotor is the Bell 212, and four blade version of this helicopter is the Bell 412. [23] An example of the effect of rotor blade number is the UH-72 ( EC145 variant ); the A model had four blades, but the UH-72B was changed to five blades which reduced vibration. [ 24 ]
4D/RCS is a reference model architecture that provides a theoretical foundation for designing, engineering, integrating intelligent systems software for unmanned ground vehicles. [3] Fundamental structure of a 4D/RCS control loop. According to Balakirsky (2003) 4D/RCS is an example of deliberative agent architecture. These architectures ...
Aerodrome reference point ARTCC Air route traffic control centers ASAS Airborne Separation Assurance System ASD Aircraft situation display ASDA Accelerate Stop Distance Available: ASDE-X Airport Surface Detection Equipment, Model X: ASDL Aeronautical satellite data link ASI Airspeed indicator: ASL Above sea level [1] ASLO
For example, a helicopter with a 0.30 cu in (4.9 cm 3) engine was a 30 class and a helicopter with a 0.90 cu in (14.7 cm 3) engine was referred to as a 90 class helicopter. The bigger and more powerful the engine, the larger the main rotor blade that it can turn and hence the bigger the aircraft overall.
The HAL Light Utility Helicopter (LUH) is a 3-tonne class highly agile new generation light helicopter. According to HAL, it possesses a cruise speed of 235 km/h (146 mph), maximum speed of 260 km/h (160 mph), service ceiling of up to 6.5 km (21,000 ft), a range of 350 km (220 mi) with maximum take-off weight of 3.12 tonne and an empty weight ...