ROUTE SEGMENT
Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov
As used in Air Traffic Control, a part of a route that can be defined by two navigational fixes, two NAVAIDs, or a fix and a NAVAID.
See FIX; ROUTE; ROUTE SEGMENT ICAO.
ICAO definition
A portion of a route to be flown, as defined by two consecutive significant points specified in a flight plan.