4 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z



Back to: "T"

touchdown zone
Definição1
The portion of a runway, beyond the threshold, where it is intended landing aeroplanes first contact the runway.
Fonte1
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 3 to the Convention on International Civil Aviation. Meteorological Service for International Air Navigation: parts I and II. 18th ed. Montreal, 2013.
Definição2
The first 3,000 feet of the runway beginning at the threshold. The area is used for determination of Touchdown Zone Elevation in the development of straight-in landing minimums for instrument approaches.
Fonte2
FEDERAL AVIATION ADMINISTRATION. Pilot/controller glossary (P/CG). 2014. Disponível em: https://www.faa.gov/air_traffic/publications/atpubs/pcg/index.htm. Acesso em: 10 jun. 2014.
Nota adicional1
Acronym in English: TDZ.
Contexto
When local routine and special reports are used for departing aircraft, the visibility observations for these reports should be representative of conditions along the runway; when local routine and special reports are used for arriving aircraft, the visibility observations for these reports should be representative of the touchdown zone of the runway.
Subárea1
Phase of Flight
Related Term
touchdown
Português
zona de toque