Reference datum height
In aviation, reference datum height (RDH) is the height of a point, located above the intersection of the runway centre line and the threshold, through which the downward extended straight portion of the glide path passes.[1] 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[]
- ^ Instrument Landing System Reference Datum Height Eurocontrol.int
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