outer marker (English, noun)
expansion: outer marker (plural outer markers)
Senses:
topics: aeronautics
aerospace
aviation
business
engineering
natural-sciences
physical-sciences
glosses: A type of marker beacon placed to indicate the final approach fix of an ILS or IGS approach, triggering a continuous sequence of visual and aural Morse code dashes from the marker beacon receiver in the cockpit of an aircraft flying over the marker.
Forms:
form: outer markers
tags: plural