Plain English Meaning

A leg of a published procedure that tells you to fly a particular heading and keep flying it until you, the pilot, decide to end it — usually because ATC has told you to turn, climb, or join something else.

Full Definition

A path-terminator leg in an RNAV procedure that instructs the aircraft to fly a specified heading until the pilot manually terminates the leg, typically in response to an ATC instruction such as a radar vector or a clearance to intercept a course or fix. The leg has a defined heading but no defined endpoint in the navigation database; the flight management system continues the heading indefinitely until the pilot intervenes.

Context Anchor

Seen in instrument procedure coding and on some GPS or flight management system displays when a procedure uses a heading that must be ended by action.