Navigation

Localizer(LOC)

Definition

The lateral guidance component of an ILS providing precise runway centerline alignment. The localizer beam is typically 3-6 degrees wide and extends 18 nautical miles from the runway.

Related Terms

Instrument Landing System(ILS)

A precision approach system providing lateral guidance via the localizer and ver...

Glideslope(GS)

The vertical guidance component of an ILS providing a descent path typically set...

Test your knowledge

Think you understand Localizer? Challenge yourself with practice questions covering navigation and all other ATPL subjects.

Start a Practice Quiz

Or browse all questions by subject