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.

Approach 98

Approach Descent Runway Instrument Landing System 98

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. Since this example chart shows an ILS or LOC approach, you already know your aircraft requires a functioning ILS receiver.

Approach 52

Approach Descent Runway Final Approach 52

Pilot Institute

SEPTEMBER 24, 2024

Marker Beacons These days, the ILS is generally paired with a DME (Distance Measuring Equipment). It allows the pilots to compare their height at each DME distance to the promulgated chart. Usually, this is small, light aircraft used in general aviation(single-engine airplanes).

Approach 52

Approach Knot Runway Distance Measuring Equipment 52

Fear of Landing

NOVEMBER 22, 2024

One hour out, our ground speed is an absurdly slow: seventy knots as indicated by our distance measuring equipment (DME). I tighten my five-point harness that secures our shoulders and hips, with a belt between our legs to prevent us from slipping forward. Out of the corner of my eye, I see Gavin tighten his harness.

Weather 98

Weather Knot Pilot Distance Measuring Equipment 98