Plain English Meaning
All the published information about airports, airways, navigation aids, and airspace that pilots use to plan and fly a trip safely.
Full Definition
The body of data describing the airspace system that pilots and controllers need to plan and conduct flights safely, including airport details, navigation aids, airways, instrument procedures, airspace boundaries, communication frequencies, and temporary changes such as Notices to Air Missions (NOTAMs).
Context Anchor
Seen in FAA charts, instrument procedures, airport information, flight planning tools, and aircraft navigation databases.