In
aviation, reference datum height (RDH) is the height of a point, located above the intersection of the runway centre line and the
threshold
Threshold may refer to:
Architecture
* Threshold (door), the sill of a door
Media
* ''Threshold'' (1981 film)
* ''Threshold'' (TV series), an American science fiction drama series produced during 2005-2006
* "Threshold" (''Stargate SG-1''), ...
, through which the downward extended straight portion of the
glide path
Instrument landing system glide path, commonly referred to as a glide path (G/P) or glide slope (G/S), is "a system of vertical guidance embodied in the instrument landing system which indicates the vertical deviation of the aircraft from its o ...
passes.
Instrument Landing System Reference Datum Height
Eurocontrol.int It is usually found on the aerodrome instrument approach charts.
See also
* Vertical datum
* ICAO recommendations on use of the International System of Units
References
Air navigation
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