
Helicopter - Wikipedia
The Focke-Wulf Fw 61 was the first successful, practical, and fully controllable helicopter in 1936, while in 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production.
Helicopter | Facts, History, & Types | Britannica
Jan 7, 2026 · A helicopter is an aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain …
21 Types of Helicopters Explained (A Full Guide)
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, hover, and fly forward, …
Helicopters - Airbus
Airbus delivers the most efficient helicopters to customers who serve, protect, save lives and carry passengers in demanding environments.
How does a helicopter work? - Explain that Stuff
Jan 11, 2023 · The science of a helicopter is exactly the same as the science of an airplane: it works by generating lift—an upward-pushing force that overcomes its weight and sweeps it …
Types of Helicopters Explained: Light Utility, Transport, and Heavy ...
Oct 23, 2025 · Since practical flights began in the 1930s, helicopters have split into clear categories: light trainers and patrol craft, medium EMS and police models, and heavy …
Helicopter - Rotor, Flight, Design | Britannica
Jan 7, 2026 · In an airplane, the flight path of the wing is fixed in relation to its forward flight; in a helicopter, the flight path of the rotor advances forward (to the helicopter’s nose) and then …
List of United States military helicopters - Wikipedia
List of United States military helicopters A Boeing AH-64 Apache, an attack helicopter
helicopter summary | Britannica
helicopter, Aircraft with one or more power-driven horizontal rotors that enable it to take off and land vertically, move in any direction, or remain stationary in the air.
Helicopter crashes in mountains, crews working to reach remote …
Jan 2, 2026 · Helicopter crashes in Arizona mountains, crews working to reach remote site: Authorities An eyewitness said the helicopter struck part of a recreational slackline.