fan marker

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fan marker

noun fan markers

An obsolescent type of marker beacon, usually used to mark en route airways but occasionally used as part of a non-precision approach, which radiates in a pattern that is considerably wider, from the perspective of an aircraft approaching the marker along the airway, than it is long (allowing an aircraft to pick up the signal from the marker even if slightly to one side of the airway's centerline).
Similar: FM

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MLA

"fan marker." Wiktionary, via Micwyn, micwyn.com/word/fan%20marker. Accessed 6 Nov. 2026.

APA

fan marker. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/fan%20marker

Chicago

"fan marker." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/fan%20marker.

BibTeX

@misc{fan_marker_2026,
  title = {fan marker},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/fan%20marker},
  urldate = {2026-11-06}
}