inner marker
English
editNoun
editinner marker (plural inner markers)
- (aviation) A type of marker beacon placed to indicate when an aircraft crosses the runway threshold of a Category II or Category III ILS or IGS approach, triggering a continuous visual and aural sequence of rapid-fire Morse code dots from the marker beacon receiver in the cockpit of an aircraft flying over the marker.
Synonyms
editHypernyms
editCoordinate terms
editFurther reading
edit- inner marker on Wikipedia.Wikipedia