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Altitude: Difference between revisions
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More but less relevant info
(→Flight level: disallow GPS altitude) |
(More but less relevant info) |
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QNH is a vital tool to use a height map of an area, hence it is vital during approach of an airfield. | QNH is a vital tool to use a height map of an area, hence it is vital during approach of an airfield. | ||
==Additional information== | |||
<!-- Repository for less relevant information related to altitude --> | |||
*QFE: Atmospheric pressure at the airport, can be used to show [[#Absolute altitude]]. | |||
*QNE: Elevation of the airfield above [[AMSL]]. | |||
*QFF: Atmospheric pressure calculated towards [[AMSL]] under Standard conditions, this code is not used. | |||
*ISA-1: International Standard Atmosphere: Atmospheric model of various layers of the earth atmosphere. Each layer has a temperature, pressure, viscosity and density and is based on an average model of the earth atmosphere. Publication ISO 2533:1975. | |||
*ISA-2: ICAO Standard Atmosphere: Same as ISA-1 but reaching higher and with slightly different values. In aviation this is the standard to use. Publication Doc 7488-CD. | |||
*Attitude: Most often the Pitch of an aircraft, the angle of the nose in reference to the ground, but there are other definitions. | |||
==External articles== | ==External articles== | ||