Plain English Meaning
A button label on the screen that means "Airport." Pressing it shows you the nearest airports.
Full Definition
A soft key label on the Nearest Airports page of a GPS or multi-function display that filters or selects airport entries from the navigation database.
Context Anchor
Seen on glass cockpit and GPS pages, especially the Nearest Airports page and its screen-labeled buttons.
Why Pilots Care
Gives immediate access to runway lengths, frequencies, and services needed for safe diversion or arrival planning.
Example Sentence 1
When the engine started running rough, the pilot pressed APT on the GPS to find the closest airport.
Example Sentence 2
APT displays while staying on the nearest airports page.