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  2. Helicopter - Wikipedia

    • A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of short take-off and land… See more

    Etymology

    The English word helicopter is adapted from the French word hélicoptère, coined by Gustave Ponton d'Amécourt in 1861, which originates from the Greek helix (ἕλιξ), genitive helikos (ἕλῐκος), "helix, spiral, whirl, convolution… See more

    Design

    A helicopter is a type of rotorcraft in which lift and thrust are supplied by one or more horizontally-spinning rotors. By contrast the autogyro (or gyroplane) and gyrodyne have a free-spinning rotor for all or part of the flight envelope, r… See more

    Flight

    There are three basic flight conditions for a helicopter: hover, forward flight and the transition between the two.
    Hovering is the most challenging part of flying a helicopter. This is because a helicopter g… See more

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  2. Helicopter - Simple English Wikipedia, the free encyclopedia

     
  3. List of United States military helicopters - Wikipedia

  4. Military helicopter - Wikipedia

    A military helicopter is a helicopter that is either specifically designed for or converted for usage by a military. A military helicopter's mission is a function of its design or conversion.

  5. List of rotorcraft - Wikipedia

  6. Category:Helicopters - Wikipedia

  7. Helicopter | Facts, History, & Types | Britannica

    Dec 10, 2024 · Learn about the history, design, and operation of helicopters, the aircraft that can take off and land vertically. Explore the milestones, inventors, and challenges of vertical flight with Britannica.

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    The Boeing AH-64 Apache (/ ə ˈ p æ tʃ i / ə-PATCH-ee) is an American twin-turboshaft attack helicopter with a tailwheel-type landing gear and a tandem cockpit for a crew of two. Nose-mounted sensors help acquire targets and …

  10. Attack helicopter - Wikipedia

    A modern attack helicopter has two primary roles: first, to provide direct and accurate close air support for ground troops; and second, the anti-tank role to destroy grouped enemy armored vehicles. Attack helicopters are also used as …

  11. Bell AH-1 Cobra - Wikipedia

    The Bell AH-1 Cobra is a single-engined attack helicopter developed and manufactured by the American rotorcraft manufacturer Bell Helicopter.A member of the prolific Huey family, the AH-1 is also referred to as the HueyCobra or …

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    A tandem-rotor aircraft is an aircraft with two large helicopter rotor assemblies mounted one in front of the other in the horizontal plane. This configuration is mainly used for large cargo helicopters. [1]

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