A route for which an IFR altitude has been established and published; e.g., Federal Airways, Jet Routes, Area Navigation Routes, Specified Direct Routes.
Source FAA Pilot/Controller Glossary · checked 2026-08-25
A route for which an IFR altitude has been established and published; e.g., Federal Airways, Jet Routes, Area Navigation Routes, Specified Direct Routes.
Source FAA Pilot/Controller Glossary · checked 2026-08-25