Plain English Meaning

A button or page on the cockpit display that instantly shows the airports closest to where you are right now, with the basic information you need to fly to one of them.

Full Definition

NRST is a function on a glass cockpit primary flight display (PFD) or GPS navigator that lists the airports closest to the aircraft's current position, typically sorted by distance, along with bearing, runway length, frequency, and other selected data. Activating NRST gives the pilot fast access to nearby airport information, most often used when diverting, planning a , or responding to an .