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The Army ended the AAS program in late 2013. [19] In December 2012, Boeing demonstrated the Unmanned Little Bird version of the AH-6 to the South Korean Army. The aircraft flew autonomously for 25 minutes to demonstrate the unmanned system's capabilities that can be integrated into Army MD 500 Defender helicopters. [20]
The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft.The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk, but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings.
Utility helicopter Piasecki Helicopter: The « Army Mule ». 1948 1949 339 Hiller OH-23 Raven: Multipurpose light helicopter Hiller Aircraft: 1948 1950 2000 McCulloch MC-4: Light helicopter McCulloch Aircraft Corporation: Evaluated by the United States Army as the YH-30 and the United States Navy as the XHUM-1. 1948 Never Unknown Sikorsky H-19
However, in the last 10 years, electric powered helicopters have matured to a point where power and flight times are better, but typically not as long as glow fuel helicopters. There have been two main types of systems to control the main rotors, mechanical mixing and electronic cyclic/collective pitch mixing (eCCPM).
The MH-53's terrain-following and terrain-avoidance radar, along with GPS, enabled the helicopters to reach objectives other helicopters could not; in one case, an MH-53 used its precision navigation capability to lead a SEAL team on MH-6 Little Bird helicopters to their remote objective. 20th SOS crews flew 193 sorties during the operation ...
United States Air Force HH-60G Pave Hawk. The Sikorsky H-60 is a family of military helicopters built by Sikorsky Aircraft.. All models use a modified mission symbol in addition to the 'H' vehicle type designator under the 1962 United States Tri-Service aircraft designation system (meaning, there is no aircraft named an "H-60" per se).
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