A precision instrument approach system which normally consists of the following electronic components and visual aids: localizer, glideslope, outer marker, middle marker, and approach lights.
Source FAA Pilot/Controller Glossary · checked 2026-08-25
A precision instrument approach system which normally consists of the following electronic components and visual aids: localizer, glideslope, outer marker, middle marker, and approach lights.
Source FAA Pilot/Controller Glossary · checked 2026-08-25