Glossary Navigation & Airspace

Instrument Landing System (ILS)

Definition

A precision approach system using radio signals to guide aircraft to a runway in poor visibility

A series of maneuvers used to align an aircraft with a runway for landing

The altitude during a precision approach at which the pilot must decide to land or go around

Visibility-reducing water droplets suspended near the surface, a major cause of airport delays

The vertical component of an ILS providing descent guidance to the runway

A ground-based radio transmitter providing horizontal guidance for precision approaches

…Instrument Landing Systems: Precision Approaches The Instrument Landing System (ILS) is the primary precision approach navigation aid…

What is Instrument Landing System (ILS)?

A precision approach system using radio signals to guide aircraft to a runway in poor visibility

What does ILS stand for?

ILS stands for Instrument Landing System (ILS). A precision approach system using radio signals to guide aircraft to a runway in poor visibility

How does Instrument Landing System (ILS) relate to other aviation concepts?

Instrument Landing System (ILS) is closely related to Approach Procedure and Decision Height, among other key aviation concepts.