What does QFE represent?
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A
The barometric pressure measured at a specific reference point, usually at the runway threshold of an airport.
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B
The atmospheric pressure adjusted to the equivalent sea level pressure based on the international standard atmosphere (ISA).
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C
The magnetic bearing towards a specific station.
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D
The height above the standard reference pressure level of 1013.25 hPa.
Refer to figure.
QFE is the pressure set on the subscale of the altimeter so that the instrument indicates its height above the reference elevation being used.
In the PANS-OPS Doc 8400, QFE is referred to as “Atmospheric pressure at aerodrome elevation (or at runway threshold)”
Specifically, QFE is the isobaric surface pressure at the reference point.
The altimeter will indicate the height above that reference point at other altitudes. With the aerodrome QFE set in the subscale, your altimeter will read zero at the highest point on the runway and, at other altitudes, the height above the airfield elevation.
For precision approach runways or for instrument runways when the threshold is 7 ft or more below aerodrome elevation, the QFE may be based on the threshold elevation [ICAO Doc 4444, 4.10.1.2].
With the runway threshold QFE set in the subscale, your altimeter will read zero on the runway threshold.
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