inner marker

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|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]] [[dot]]s from the marker beacon receiver in the [[cockpit]] of an aircraft flying over the marker.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.