Pilot Institute
JANUARY 14, 2025
DME (Distance Measuring Equipment) calculates the slant range distance to the runway using radio frequencies. Modern IFR-certified GPS can also substitute for DME, providing precise distance information as outlined in AIM 1-2-3. This is provided by Marker Beacons, DME, and GPS.
Pilot Institute
FEBRUARY 22, 2025
However, if you look at the requirements section, youll find that you also need Distance Measuring Equipment (DME) if youre entering from a particular waypoint. This will give you a stabilized, manageable descent to the runway. The notes section tells you what to do in certain conditions.
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