Plain English Meaning
Everything you need to know about an airport before you fly there or out of it — how the runways are laid out, how high the field is, which radio frequencies to use, what the traffic pattern looks like, and what services are available.
Full Definition
The collected operational details about a specific airport that a pilot needs to plan and conduct a flight to or from it, including runway lengths and surfaces, runway and taxiway layout, field elevation, traffic pattern altitudes and directions, available services (fuel, maintenance), lighting, communication frequencies, and any or local .