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threshold
- Sinônimos
- THR
- 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.
- Subárea1
- Airport Infrastructure
- Related Term
- displaced threshold
- landing threshold
- landing threshold point
- maximum threshold speed
- runway threshold
- threshold elevation
- threshold speed
- threshold wing bar lights
- Português
- cabeceira da pista