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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 ...
QNE: During conditions of exceptionally low atmospheric pressure it is not possible to set QFE or QNH on some aircraft altimeters. In these circumstances an aerodrome or runway QNE can be requested. The QNE is the reading in feet on an altimeter with the sub-scale set to 1013.2 hPa when the aircraft is at aerodrome or touchdown elevation. [2] QNH
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 ...
Some Q-codes are also used in aviation, in particular QNE, QNH and QFE, ... Prowords, and Abbreviations" (PDF). Archived from the original (PDF) on 2 April 2015.
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.
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.
Act (CEQA) review, or New York's State Environmental States with Programs Similar to NEPA Theworld’sleadingsustainabilityconsultancy ERM specialist teams have been
QNE* A broadcast announcement to all stations by the Net Control Station, asking all stations on the Net to stop transmitting and stand by. QNF An announcement that the net is no longer "Directed", but is now free. c.f. QND. QNG A request for a named station to assume the role of Net Control Station. QNH