English Explanatory Dictionary

locator outer marker

English dictionary entry

Meanings

noun
  1. A ground-based radio navigation aid consisting of a pair of colocated radio beacons at the final approach fix of an ILS or IGS approach course: an NDB to guide aircraft to the approach fix, and an outer marker to alert aircraft as they pass over the station.

Word forms

locator outer marker locator outer markers

Synonyms

LOM
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