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  2. Sikorsky Raider X - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_Raider_X

    The Sikorsky Raider X (stylized in all-caps as RAIDER X) (Sikorsky S-102 [1]) is a compound helicopter concept with two coaxial rotors and a single pusher propeller, designed by the Sikorsky Aircraft division of Lockheed Martin for the United States Army Future Attack Reconnaissance Aircraft (FARA) program. The Raider X concept was announced in ...

  3. Boeing CH-47 Chinook - Wikipedia

    en.wikipedia.org/wiki/Boeing_CH-47_Chinook

    The helicopter was unable to be recovered and was destroyed in place. [63] [64] To compensate for the loss, the ADF added two ex-U.S. Army CH-47Ds to the fleet which are expected to be in service until the introduction of the CH-47Fs in 2016. [65] A Boeing CH-47 Chinook at Campbell Army Airfield on 7 August 2012 delivering two Humvees by sling load

  4. Tandem-rotor aircraft - Wikipedia

    en.wikipedia.org/wiki/Tandem-rotor_aircraft

    Tandem-rotor helicopters, however, use counter-rotating rotors, with each cancelling out the other's torque. Therefore, all of the power from the engines can be used for lift, whereas a single-rotor helicopter uses some of the engine power to counter the torque. [1] An alternative is to mount two rotors in a coaxial configuration.

  5. List of United States military helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Military transport helicopter Kellett Autogiro Corporation Prototype. Program canceled 1949. 1947 Never 2 Sikorsky S-52: Utility helicopter Sikorsky Aircraft Corporation 1947 1951 93 Kaman HH-43 Huskie: Firefighting/rescue Kaman Aircraft: 1953 1958 [4] 193 Piasecki HUP: Utility helicopter Piasecki Helicopter: The « Army Mule ». 1948 1949 339

  6. Lockheed AH-56 Cheyenne - Wikipedia

    en.wikipedia.org/wiki/Lockheed_AH-56_Cheyenne

    The Cheyenne was to have a high-speed dash capability to provide armed escort for the Army's transport helicopters, such as the Bell UH-1 Iroquois. In 1966, the Army awarded Lockheed a contract for ten AH-56 prototypes, but as a stopgap also ordered the less complex Bell AH-1G Cobra as an interim attack aircraft for combat in Vietnam War. The ...

  7. Piasecki X-49 SpeedHawk - Wikipedia

    en.wikipedia.org/wiki/Piasecki_X-49_SpeedHawk

    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.

  8. Bell V-280 Valor - Wikipedia

    en.wikipedia.org/wiki/Bell_V-280_Valor

    The Bell V-280 Valor is a tiltrotor aircraft being developed by Bell Helicopter for the United States Army's Future Vertical Lift (FVL) program. [2] The aircraft was officially unveiled at the 2013 Army Aviation Association of America's (AAAA) Annual Professional Forum and Exposition in Fort Worth, Texas.

  9. Sikorsky UH-60 Black Hawk - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_UH-60_Black_Hawk

    During the Gulf War in 1991, the UH-60 participated in the largest air assault mission in U.S. Army history with over 300 helicopters involved. Two UH-60s (89-26214 and 78–23015) were shot down, both on 27 February 1991, while performing Combat Search and Rescue of other downed aircrews, an F-16C pilot and the crew of a MEDEVAC UH-1H that ...