AIM

4/3/14

4−3−10

Airport Operations

FIG 4

−3−5

Effects of a Geographical Constraint on a Runway’s Declared Distances

NOTE

−

A runway’s RSA begins a set distance prior to the threshold and will extend a set distance beyond the end of the runway
depending on the runway’s design criteria. If these required lengths cannot be achieved, the ASDA and/or LDA will be
reduced as necessary to obtain the required lengths to the extent practicable.