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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