Instrument Landing System

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Term Instrument Landing System
Status


Mandatory for


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Abbreviation

ILS

Definition

A combination of radio navigation services intended to facilitate aircraft in landing by providing lateral and vertical guidance including indications of distance from the optimum point of landing.

Definition Source

Aeronautical Information Feature Data Dictionary (AIFDD)

Note

A precision instrument approach system which normally consists of the following electronic components and visual aids: localizer, glide slope, outer marker, middle marker, and approach lights.