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threshold
Definição1
The beginning of that portion of the runway usable for landing. (ICAO) On instrument runways, it is indicated by long stripes followed by the runway designation marking. The number of stripes is dependent on the width of the runway.
Fonte1
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. International civil aviation vocabulary. 3rd ed. Montreal, 2007. (Doc. 9713)
Fonte3
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 14 to the Convention on International Civil Aviation. Aerodromes. Volume I: aerodrome design and operation. 6th ed. Montreal, 2013.
Fonte4
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 10 to the Convention on International Civil Aviation: aeronautical telecommunications: volume 1: radio navigation aids. 6th ed. Montreal, 2006. (Annex 10).
Nota Adicional1
Acronym in English: THR.
Contexto
A threshold should normally be located at the extremity of a runway unless operational considerations justify the choice of another location.
The marker beacons shall produce radiation patterns to indicate predetermined distance from the threshold along the ILS glide path.
Subárea
Airport Infrastructure
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runway threshold
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