Distance Measuring Equipment

E886369

Distance Measuring Equipment is an aviation radio navigation system that provides pilots with the slant range distance between an aircraft and a ground-based transponder station.

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Statements (48)

Predicate Object
instanceOf aviation navigation aid
radio navigation system
abbreviation DME NERFINISHED
affectedBy aircraft altitude
terrain masking
basedOn radio signals
canBe paired with VOR frequency
standalone installation
category secondary radar system
classifiedAs short-to-medium range navigation aid
computes distance from signal round-trip time
displaysTo pilot
displayUnit nautical miles
hasComponent airborne interrogator unit
cockpit display
ground transponder unit
integratedInto FMS NERFINISHED
aircraft navigation systems
introducedIn mid-20th century
measurementPrinciple time delay measurement
measuresDistanceBetween aircraft
ground-based transponder station
oftenCoLocatedWith ILS facility
VOR station NERFINISHED
operatesOn L-band frequencies
UHF band
outputType slant range not ground track distance
provides continuous distance updates
slant range distance
regulatedBy FAA NERFINISHED
ICAO NERFINISHED
requires frequency pairing between interrogator and transponder
line-of-sight propagation
standardizedIn ICAO Annex 10 NERFINISHED
supports en route navigation
instrument approaches
position fixing with NDB/DME
position fixing with VOR/DME
terminal area navigation
supportsProcedure DME arc approach
RNAV with DME/DME updating
usedBy civil aviation
military aviation
usedFor checking aircraft altitude versus distance constraints
non-precision approach guidance
usedIn aviation
uses interrogator on aircraft
transponder on ground

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

DME fullName Distance Measuring Equipment