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confined area
Definição1
A confined area is an area where the flight of the heli- copter is limited in some direction by terrain or the presence of obstructions, natural or manmade. For example, a clearing in the woods, a city street, a road, a building roof, etc., can each be regarded as a confined area.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Helicopter flying handbook (FAA-H8083-21A). Washington, DC: FAA, 2012.
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of aircraft accident and incident investigation. Part III: investigation. 1st ed. Montreal, 2014. (Doc. 9756)
Nota adicional1
Generally, takeoffs and landings should be made into the wind to obtain maximum airspeed with mini- mum groundspeed.
Nota adicional2
There are several things to consider when operating in confined areas. One of the most important is maintaining a clearance between the rotors and obstacles forming the confined area. The tail rotor deserves special considera- tion because, in some helicopters, you cannot always see it from the cabin. This not only applies while making the approach, but while hovering as well. Another consider- ation is that wires are especially difficult to see; however, their supporting devices, such as poles or towers, serve as an indication of their presence and approximate height. If any wind is present, you should also expect some turbulence.
Contexto
Confined spaces take-offs. One of the most common causes of water take-off occurrences is the pilot attempting to take off from a confined water surface with a heavy or overloaded aircraft. Confined area operations may also be adversely affected by wind conditions.
Subárea1
Helicopter Operation
Related Term
confined winch area
Português
área confinada