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Aviation Glossary
Please select a letter from below.
You will then be presented with a list of aviation terminology beginning
with that letter.
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z
Q-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. With its
sub-scale set to the aerodrome 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 aerodrome elevation.
- QNH - altitude above mean sea level based on local station
pressure.
- QTE - true line of position from a direction-finding station.
- QUJ - true bearing
QFI - Qualified Flying Instructor. Also QHI, qualified helicopter
instructor.
Quadrantal Rule - system of cruising altitudes used in UK
uncontrolled airspace below FL250.
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