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false horizon
Definição1
Inaccurate visual information for aligning the aircraft, caused by various natural and geometric formations that disorient the pilot from the actual horizon.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Pilot's handbook of aeronautical knowledge. [s.l.], 2008. Disponível em http:// www.faa.gov/regulations_policies/handbooks_manuals /aviation/pilot_handbook/media/PHAK %20-%20Cover-Preface.pdf. Acesso em: 26 jun 2014.
Definição2
A visual illusion that occurs when flying between two cloud layers that are not horizontal when there is no natural horizon. In this case, there is a tendency to use a cloud base or the cloud top as the horizon anf fly with a corresponding bank. Other conditions conducive to causing this illusion are sloping cloud formations, an obscured horizon, a dark spread with ground lights and starts, and certain geometric patterns of ground lights.
Fonte2
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Fonte3
DUTRA, Luiz Costa e Silva. Glossário aerotécnico: inglês-português. São Paulo: Traço, 1979. 469 p.
Subárea1
Air Navigation
Português
falso horizonte