logo

Video encyclopedia

Reference datum height

0:52

3 chart datum tide heights chart datum 1

0:32

4 chart datum tide heights chart datum 2

2:37

Setting the datum on a TESA-HITE Height Gage

3:28

Tide heights - definitions of tidal levels

3:26

What is Sea Level?

Reference datum height (RDH) is the height of a point that is located above the intersection of the runway centre line and the threshold and through which the downward extended straight portion of the glide path passes. It is usually found on the aerodrome instrument approach charts.
    Explore contextually related video stories in a new eye-catching way. Try Combster now!