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obstacle clearance surface
Definição1
An inclined or level surface associated with a defined area for obstruction evaluation.
Fonte1
FEDERAL AVIATION ADMINISTRATION. Instrument procedures handbook: FAA-H-8261-1A. 2nd ed. Newcastle: ASA, 2007.
Definição2
An inclined surface associated with a wide areas augmentation system or an approach with vertical guidance glidepath angle. The separation between this surface and the vertical path angle at any given distance from the ground point of intercept defines the minimum required obstruction clearance at that point.
Fonte2
CRANE, Dale (ed.). Dictionary of aeronautical terms. 4th ed. Newcastle: ASA, 2006.
Nota adicional1
Acronym in English: OCS.
Português
superfície de transposição de obstáculos