The Essential Guide to Runway Markings
Pilot Institute
JUNE 19, 2025
The Aeronautical Information Manual (AIM) defines the touchdown zone as the first 3,000 feet of the runway beginning at the threshold, and the touchdown zone markers are spaced 500 ft apart. To provide a clear area for jet and propeller blasts to dissipate. The stopway forms part of the runway safety area.
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