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  2. List of ultralight helicopters - Wikipedia

    en.wikipedia.org/wiki/List_of_ultralight_helicopters

    Voytovich helicopter Ukraine [31] Kazachok Helicopter Russia [32] Kazan Aktai: Russia Rotorfly Russia [33] Berkut (helicopter) Russia FLY CC III Czech Republic [34] jpkrucker Canada Single seat coaxial heli [35] Mosquito XE: Canada / United States Hungarocopter HC-01: Hungary [36] Hungarocopter HC-02: Hungary [37] CoaX helicopters Australia [38 ...

  3. Hiller Aircraft - Wikipedia

    en.wikipedia.org/wiki/Hiller_Aircraft

    Hiller Aircraft Company is an American private aerospace company, based in Firebaugh, California. It was founded in 1942 as Hiller Industries by Stanley Hiller to ...

  4. Boeing X-50 Dragonfly - Wikipedia

    en.wikipedia.org/wiki/Boeing_X-50_Dragonfly

    The Boeing X-50A Dragonfly, formerly known as the Canard Rotor/Wing Demonstrator, was a VTOL rotor wing experimental unmanned aerial vehicle that was developed by Boeing and DARPA to demonstrate the principle that a helicopter's rotor could be stopped in flight and act as a fixed wing, enabling it to transition between fixed-wing and rotary-wing flight.

  5. Sikorsky VH-92 Patriot - Wikipedia

    en.wikipedia.org/wiki/Sikorsky_VH-92_Patriot

    The Sikorsky/Lockheed Martin VH-92 Patriot [4] is an American helicopter operated in the United States Marine Corps' Marine One U.S. presidential transport fleet. It is a militarized variant of the Sikorsky S-92 and is larger than the former Marine One helicopters. [5]

  6. Bell 525 Relentless - Wikipedia

    en.wikipedia.org/wiki/Bell_525_Relentless

    Bell announced its new project after the Bell 429 and Bell V-22, the super medium Bell 525, previously it was known as Project X or Magellan. The Helicopter is overall designed for trips of 50 to 500 nautical miles, and has a 5-blade main rotor powered by twin engines, digital controls and Garmin G5000H screen, with planned seating for 16-20 people. [3]

  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. Mil V-12 - Wikipedia

    en.wikipedia.org/wiki/Mil_V-12

    Mil V-12 at the Central Air Force Museum. Design studies for a giant helicopter were started at the Mil OKB in 1959, receiving official sanction in 1961 by the GKAT (Gosudarstvenny Komitet po Aviatsionnoy Tekhnike - State Committee on Aircraft Technology) instructing Mil to develop a helicopter capable of lifting 20 to 25 tonnes (22 to 28 short tons).

  9. Kamov Ka-50 - Wikipedia

    en.wikipedia.org/wiki/Kamov_Ka-50

    The Kamov Ka-50 "Black Shark" (Russian: Чёрная акула, romanized: Chyornaya akula, English: kitefin shark), NATO reporting name Hokum A, is a Soviet/Russian single-seat attack helicopter with the distinctive coaxial rotor system of the Kamov design bureau.