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  2. Altimeter setting - Wikipedia

    en.wikipedia.org/wiki/Altimeter_setting

    QNH and QFE are arbitrary Q codes rather than abbreviations, but the mnemonics "nautical height" (for QNH) and "field elevation" (for QFE) are often used by pilots to distinguish between them. QNH and QFE will have errors when not at station elevation. QFF is aerodrome pressure (QNH) reduced to sea level. It is designed to read zero at sea ...

  3. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    Abbreviation Term Notes QAR quick access recorder: QCM quality and compliance monitoring QEC quick engine change QFE the Q-code for: Atmospheric pressure at aerodrome elevation (or at runway threshold) QNE: the Q-code for pressure altitude: QNH: the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, i.e. altitude ...

  4. Aeronautical Code signals - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_Code_signals

    QNE: Altimeter reading when subscale set 1013.25 hPa (atmospheric pressure at sea level in the International Standard Atmosphere) [2] QNH: The pressure set on the subscale of the altimeter so that the instrument indicates its height above sea level (the altimeter will read runway elevation when the aircraft is on the runway). [1] Request Leeds QNH

  5. Q code - Wikipedia

    en.wikipedia.org/wiki/Q_code

    Some Q-codes are also used in aviation, in particular QNE, QNH and QFE, referring to certain altimeter settings. These codes are used in radiotelephone conversations with air traffic control as unambiguous shorthand, where safety and efficiency are of vital importance.

  6. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    To distinguish altitude from flight level, "on standard" or "on QNH" would be added during initial clearance, such as "climb 4,800 metres on standard" or "descent 2,400 metres on QNH 1020". RVSM was implemented in China at 16:00 UTC on 21 November 2007, and in Mongolia at 00:01 UTC on 17 November 2011.

  7. Pressure altitude - Wikipedia

    en.wikipedia.org/wiki/Pressure_altitude

    QNE is an aeronautical code Q code. The term refers to the indicated altitude at the landing runway threshold when 1013.25 m b {\displaystyle 1013.25~\mathrm {mb} } or 29.92 i n H g {\displaystyle 29.92~\mathrm {inHg} } is set in the altimeter's Kollsman window.

  8. Glossary of gliding and soaring - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_gliding_and...

    QFE the Q-code for: Atmospheric pressure at aerodrome elevation (or at runway threshold) QNE the Q-code for pressure altitude QNH the Q-code for: Altimeter sub-scale setting to obtain elevation when on the ground, i.e. altitude above MSL RAFGSA Royal Air Force Gliding & Soaring Association SSA Soaring Society of America [6] SSF

  9. Pressure altimeter - Wikipedia

    en.wikipedia.org/wiki/Pressure_altimeter

    In aviation terminology, the regional or local air pressure at mean sea level (MSL) is called the QNH or "altimeter setting", and the pressure that will calibrate the altimeter to show the height above ground at a given airfield is called the QFE of the field. An altimeter cannot, however, be adjusted for variations in air temperature.