Plain English Meaning

The official name of an RNAV route — a letter and a number, like Q-145 or T-280 — used to identify it on charts and in clearances.

Full Definition

The core identifier of a published RNAV route, consisting of a prefix letter that indicates the route type (such as Q for high-altitude RNAV routes or T for low-altitude RNAV routes) followed by a number assigned to that specific route. It is the published name pilots and controllers use to refer to the route in flight planning, clearances, and charts.

Context Anchor

Seen in published RNAV route descriptions, en route charts, and flight plans when identifying routes such as Q-routes and T-routes.