Definition
Published routes in the low-altitude airspace structure (generally below 18,000 feet MSL) defined by VOR navigation aids, designated as Victor airways in the contiguous United States. Each airway has a centerline, a width (typically 8 nautical miles total), defined minimum altitudes, and is depicted on IFR low-altitude en route charts.
Plain English
Pre-set highways in the sky that pilots fly along when navigating under instrument flight rules at lower altitudes. They run between ground-based navigation stations and have names like V23 or V123.
Context Anchor
Seen when planning an instrument flight, reading an enroute chart, or loading a route into a flight management system.
Derivation
Airway comes from air plus way, meaning a path or route through the air. In aviation, it does not mean a physical road; it means an officially published route that exists on charts and in navigation equipment.
Why Pilots Care
Using airways ensures compliance with air traffic control procedures and provides reliable navigation references for safe IFR travel.
Analogy
An airway is like a highway shown on a map, except there is no pavement. The path is defined by charts, navigation equipment, and air traffic control procedures.
Intuition Check
Do not read airways as breathing passages, or as just any open space an airplane can fly through. In instrument flying, airways are specific published routes with names, boundaries, and charted information.
Example Sentence 1
The pilot loaded a route of V23 to V97 into the FMS before departure.
Example Sentence 2
During FMS programming, the pilot loaded the airway segment to connect two fixes automatically.