instrument landing system

English

Noun

instrument landing system (plural instrument landing systems) (abbreviated as ILS)

  1. a collection of radio navigation aids used by pilots for approach guidance to a specific airport runway, especially when visibility is limited

Coordinate terms
  • VHF omnidirectional range (VOR)
  • precision approach landing indicator (PAPI)
  • approach lighting system (ALS)
  • microwave landing system (MLS)
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