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non-visual aid
Fonte1
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 14 to the Convention on International Civil Aviation: aerodromes: volume 1: aerodrome design and operation. 8th ed. Montreal, 2018. (Annex 14).
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Air navigation plan: volume I. Montreal, 2006. (Doc. 9673).
Contexto
Objects which do not project through the approach surface, but which would nevertheless adversely affect the optimum siting or performance of visual or non-visual aids should, as far as practicable, be removed.
On a runway having significant traffic, the facilities to be provided should be an ICAO standard non-visual aid to final approach and landing, complemented by a visual approach slope indicator system. When a standard non-visual aid cannot be implemented in the first instance, this should not delay the installation of a visual approach slope indicator system.
Subárea1
Airport Infrastructure
Português
auxílio não-visual