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. Identify the runway threshold and ensure proper alignment for a safe landing.
Pilot Institute
SEPTEMBER 24, 2024
The aerials are in a position that provides a threshold crossing height of 50ft. It consists of lights that start at the landing threshold and extend into the approach area. Marker Beacons These days, the ILS is generally paired with a DME (Distance Measuring Equipment). This helps the pilots verify the glideslope.
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