
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
Nov 29, 2025 · 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 stationary in the air.
As an aircraft, the primary advantages of the helicopter are due to the rotor blades that revolve through the air, providing lift without requiring the aircraft to move forward. This lift allows the helicopter to …
21 Types of Helicopters Explained (A Full Guide)
Helicopters are effective, adaptable, and enable free-spirited flight to accomplish whatever needs to be done when it needs to be done—from firefighting to search and rescue to military engagements. But …
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 platforms for troop and …
How does a helicopter work? | Who invented helicopters?
Apr 17, 2025 · At the heart of every helicopter is a remarkable feat of engineering – the spinning rotor system that generates the lift to overcome gravity and propel the aircraft through the air.
What Is a Helicopter? (Grades 5-8) - NASA
May 21, 2014 · A helicopter is a type of aircraft that uses rotating, or spinning, wings called blades to fly. Unlike an airplane or glider, a helicopter has wings that move.
Helicopters - National Air and Space Museum
A helicopter is an aircraft that is lifted and propelled by one or more powered rotating wings called rotors. This allows them to operate from small landing sites.
Helicopter - Rotor, Flight, Design | Britannica
Nov 29, 2025 · 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 rearward …
List of United States military helicopters - Wikipedia
List of United States military helicopters A Boeing AH-64 Apache, an attack helicopter