Definition
A built-in feature of a GPS navigation unit that automatically identifies and lists the airports closest to the aircraft's current position, typically ordered by distance, with bearing and basic airport information available for each. It is intended to give the pilot immediate access to nearby landing options, especially in an emergency.
Plain English
A button or page on the GPS that instantly shows you the airports nearest to where you are right now, so you can quickly see where you could land.
Context Anchor
Seen on GPS units and avionics displays, especially when a pilot needs to find a nearby airport quickly during weather changes, fuel concerns, or an abnormal situation.
Why Pilots Care
It lets a pilot locate a suitable diversion airport quickly without manual searching, supporting safer decision-making in changing weather or mechanical issues.
Intuition Check
“Nearest” does not automatically mean “best” or “safe to land at.” It usually means closest by GPS position; the pilot still has to check whether that airport is suitable.
Example Sentence 1
When the oil pressure dropped, the pilot pressed the Nearest Airport key and selected the closest field with a paved runway.
Example Sentence 2
During the instrument approach briefing, she used the nearest airport function to confirm an alternate was within glide range.