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helicopter
- Definição1
- A heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axes.
- Fonte1
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. International civil aviation vocabulary. 3rd ed. Montreal, 2007. (Doc. 9713)
- Definição2
- A helicopter is an aircraft that is lifted and propelled by one or more horizontal rotors, each rotor consisting of two or more rotor blades. Helicopters are classified as rotorcraft or rotary-wing aircraft to distinguish them from fixed-wing aircraft because the helicopter derives its source of lift from the rotor blades rotating around a mast.
- Fonte2
- FEDERAL AVIATION ADMINISTRATION. Helicopter flying handbook (FAA-H8083-21A). Washington, DC: FAA, 2012.
- Nota adicional1
- Coordination, control touch, and timing are all used simultaneously when flying a helicopter.
- Nota adicional2
- The word "helicopter" is adapted from the French hélicoptère, coined by Gustave de Ponton d'Amécourt in 1861. It is linked to the Greek words helix/helikos ("spiral" or "turning") and pteron ("wing").
- Nota adicional3
- Some States use the term “rotorcraft” as an alternative to “helicopter”.
- Subárea1
- Rotorcraft
- Related Term
- helicopter turboshaft
- Broader Term
- heavier-than-air aircraft
- Narrower Term
- amphibian helicopter
- land helicopter
- sea helicopter
- Português
- helicóptero
- Imagem
Los Angeles Police Department (LAPD) Bell 206 Jet Ranger helicopter.
Fonte: http://en.wikipedia.org/wiki/File:LAPD_Bell_206_Jetranger.jpg
