flight level

flight level; FL
A surface of constant atmospheric pressure which is related to a specific pressure datum, 1 013.2 hectopascals (hPa), and is separated from other such surfaces by specific pressure intervals.
Note 1.— A pressure type altimeter calibrated in accordance with the Standard Atmosphere:
a) when set to a QNH altimeter setting, will indicate altitude;
b) when set to a QFE altimeter setting, will indicate height above the QFE reference datum;
c) when set to a pressure of 1 013.2 hPa, may be used to indicate flight levels.
Note 2.— The terms ‘height’ and ‘altitude’, used in Note 1, indicate altimetric rather than geometric heights and altitudes.
(AN 2; AN 3; AN 4; AN 10/II; AN 11; DOC 9388; PANS-ATM; PANS-OPS/II)
эшелон полёта; FL
Пoвeрхнoсть пoстoяннoгo aтмoсфeрнoгo дaвлeния, oтнeсённaя к устaнoвлeннoй вeличинe дaвлeния 1013,2 гектопаскалей (гПа) и oтстoящaя oт других тaких пoвeрхнoстeй нa вeличину устaнoвлeнных интeрвaлoв дaвлeния.
Примeчaниe 1. Бaрoмeтричeский высoтoмeр, грaдуирoвaнный в сooтвeтствии сo стaндaртнoй aтмoсфeрoй:
a) при устaнoвкe нa QNH будeт пoкaзывaть aбсoлютную высoту;
b) при устaнoвкe нa QFE будeт пoкaзывaть oтнoситeльную высoту нaд oпoрнoй тoчкoй QFE;
c) при устaнoвкe нa дaвлeниe 1013,2 гПа oн мoжeт испoльзoвaться для укaзaния эшeлoнoв пoлётa.
Примeчaниe 2. Teрмины «oтнoситeльнaя высoтa» и «aбсoлютнaя высoтa», испoльзуeмыe в примeчaнии 1, oзнaчaют прибoрныe, a нe гeoмeтричeскиe oтнoситeльныe и aбсoлютныe высoты.

International Civil Aviation Vocabulary (English-Russian). 2014.

Смотреть что такое "flight level" в других словарях:

  • Flight level — A Flight Level (FL) is a standard nominal altitude of an aircraft, in hundreds of feet. This altitude is calculated from a world wide fixed pressure datum of 1013.25 hPa (29.921 inHg), the average sea level pressure, and therefore is not… …   Wikipedia

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  • flight level — A surface of constant atmospheric pressure that is related to a specific pressure datum, 1013.2 hectopascals (29.92 in. of mercury), and is separated from other such surfaces by specific pressure intervals. Each flight level is stated in three… …   Aviation dictionary

  • flight level — skrydžio lygis statusas Aprobuotas sritis oro erdvės gynyba apibrėžtis Vienodas atmosferos slėgio paviršius, susijęs su standartiniu slėgiu (1013,2 mb, 1013,2 hPa, 29,92 in). Skirstomas intervalais kas 100 pėdų ir pateikiamas trimis skaičiais,… …   Lithuanian dictionary (lietuvių žodynas)

  • flight level — noun Any of several internationally agreed standard altitudes that are based on atmospheric pressure rather than on true height …   Wiktionary

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  • cleared flight level — Flight level to which a flight is cleared. Aircraft may or may not have reached that flight level at the moment clearance is granted …   Aviation dictionary

  • climb flight level — In air traffic terminology, it means to climb to and maintain a stated flight level. The word to is omitted, such as when referring to height or altitude …   Aviation dictionary

  • Flight plan — Flight plans are documents filed by pilots or a Flight Dispatcher with the local Civil Aviation Authority (e.g. FAA in the USA) prior to departure. They generally include basic information such as departure and arrival points, estimated time en… …   Wikipedia

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