[O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
|QFI||Qualified Flying Instructor. Also QHI, Qualified Helicopter Instructor.|
|Quadrantal Rule||System of cruising altitudes used in UK uncontrolled airspace below FL250.|
|Q-code|| Code system developed when air-to-ground communication was by
wireless telegraphy, enabling many routine phrases and questions to be
reduced to three letters.
Now largely redundant, except these:
|QDM||magnetic bearing to a direction-finding station.|
|QDR||magnetic bearing from the station.|
|QFE|| atmospheric pressure at aerodrome elevation when on the ground
With its sub-scale set to the Airport QFE an altimeter will indicate height
above that airfield.
|QFU||magnetic orientation of runway in use.|
|QNE|| reading in feet on an altimeter set to 1013.2 millibars (standard pressure)
when the aircraft is at Airport elevation.
|QNH||altitude above mean sea level based on local station pressure.|
|QTE||true line of position from a direction-finding station.|
|Back to Systems|