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.

Feb 5, 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 stationary in the air.

Jun 2, 2024 · Airbus helicopters are an essential tool for first responders, firefighters, public service operators and military customers flying critical missions across the globe.

One thing that has characterized the helicopter since its invention in the 1930s has been the absurdity of the machine. The contraption simply looks unable to deliver on its promise, which is to fly up and …

There could be several reasons a helicopter is circling your area, but the most likely reason is that it’s performing a search and rescue mission. Other reasons could be conducting a police search, …

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 into the air. Planes …

Helicopters are a type of Vertical Take-Off and Landing (VTOL) aircraft and a class within the broader category of rotorcraft. They can take off and land from almost anywhere on the ground or at sea, …

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 …

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.

Mar 29, 2022 · Chapter 01: Introduction to the Helicopter (PDF, 10.2 MB) Chapter 02: Aerodynamics of Flight (PDF, 12.1 MB) Chapter 03: Helicopter Flight Controls (PDF, 12 MB) Chapter 04: Helicopter …