threshold elevation

threshold elevation
превышение порога ВПП

Англо-русский словарь технических терминов. 2005.

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Смотреть что такое "threshold elevation" в других словарях:

  • obstacle-clearance altitude (OCA)/obstacle-clearance height — The lowest altitude or height above the elevation of the relevant runway threshold or the airport elevation as applicable, used in compliance with appropriate obstacle clearance criteria. Obstacle clearance altitude is referenced to mean sea… …   Aviation dictionary

  • Auditory masking — occurs when the perception of one sound is affected by the presence of another sound (Gelfand 2004). The term masking is not confined to auditory perception as it can also be used in visual perception tasks.Masking can be simultaneous or non… …   Wikipedia

  • minimum descent altitude (MDA)/minimum descent height — A specified altitude or height in a non precision approach or circling approach below which descent must not be made without the required visual reference (ICAO). The MDA is referenced to the mean sea level, and the MDH is referenced to the… …   Aviation dictionary

  • bhereĝh- —     bhereĝh     English meaning: high; mountain     Deutsche Übersetzung: “hoch, erhaben”     Note: Root bhereĝh : “high; mountain” derived from Root bherǝĝ , bhrēĝ : “to shine; white, *ash wood, ashen, birch tree, elm”     Material: O.Ind.… …   Proto-Indo-European etymological dictionary

  • critical altitude — i. A specified altitude or height in the precision approach at which a missed approach must be initiated if the required visual reference to continue the approach has not been established. Decision altitude is with reference to mean sea level,… …   Aviation dictionary

  • decision altitude (DA)/decision height — i. A specified altitude or height in the precision approach at which a missed approach must be initiated if the required visual reference to continue the approach has not been established. The decision altitude is with reference to mean sea level …   Aviation dictionary

  • eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

  • Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …   Universalium

  • Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …   Universalium

  • Instrument landing system — The Instrument Landing System (ILS) is a ground based instrument approach system that provides precision guidance to an aircraft approaching a runway, using a combination of radio signals and, in many cases, high intensity lighting arrays to… …   Wikipedia

  • sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… …   Universalium


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