Distance Measurement Equipment - DME (Instrument)[PDF]
Whenever a DME is coupled to a VOR or an ILS, it is automatically displayed by the selection of the VOR or ILS frequency. Otherwise, like in TACAN, the DME frequency must be specifically set.
DME on-board equipment
There are several types of instruments for receiving a DME:
A standalone instrument is an instrument that displays only DME related information. This instrument can be like the example below and can be found on beechcraft propellers for example.
The information displayed are:
- Distance in NM between aircraft and DME station
- Speed of the aircraft in Knots
- Time to reach the station if you navigate direct to the DME station
DME displayed on RMI instrument
In more complex aircraft, like business jet and some airbus, cockpits have dual RMI equipment installed. This equipment is paired with a VOR/NDB remote magnetic indicator, and when a DME station can be found, the distance in NM is displayed at the top of the istrument.
DME displayed on electronic navigation instrument
In many modern jets and propeller aircraft, electronic navigation instruments are usually used. These modern electronic navigation instruments are all-in-one instruments to display:
- VOR and paired DME distance
- ILS and paired DME distance
- Navigation fixes
- FMC route
- Traffic (TCAS)
In the following example the DME distance is 0.5 NM from the VOR AN (110.50).
- VID 150259 - Creation
- VID 450012 - Update
DATE OF SUBMISSION
- 02:15, 14 May 2021
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- The content of this documentation is intended for aviation simulation only and must not be used for real aviation operations.