outer marker

Fetched 2026-10-26 (cache).

Synonyms: water marker

Antonyms: water marker

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|aviation}} 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]] [[dash]]es 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.