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: apparatus propelled
and balanced in the air by two large propellers.
: part of the main apparatus that propels and lifts
: central part of the main apparatus that propels and
lifts the helicopter.
: platform that change position and support.
: cubicle reserved for the operation of the apparatus.
: control stick of a helicopter.
: foot-operated command of the rudder.
Direction synchronizing cable
: set of braided iron wires used
to operate the apparatus.
: supportive metal device.
: opening in the side wall used for filing the gas
: tapering rear part of the fuselage.
: device that automatically corrects errors
and deviations, and stabilizes the helicopter.
: device that prevent drift.
Anti-torque trail rotor
: auxiliary apparatus that assures lift
and propulsion of the helicopter.
EN : Air
traffic control (ATC)
FR : Contrôle
du trafic aérien
ES : Control
del tráfico aéreo
Air traffic control is a service provided
by ground-based controllers who direct aircraft on the ground and in
the air. A controller's primary task is to separate certain aircraft
to prevent them from coming too close to each other by use of lateral,
vertical and longitudinal separation. Secondary tasks include ensuring
safe, orderly and expeditious flow of traffic and providing information
to pilots, such as weather, navigation information and notices to airmen.