| 词条 | Reference datum height |
| 释义 |
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
References1. ^Instrument Landing System Reference Datum Height Eurocontrol.int {{Aviation-stub}} 1 : Air navigation |
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