Plain English Meaning
A flight map that shows the routes, radio aids, altitudes, and airspace a pilot uses while cruising between airports.
Full Definition
An aeronautical chart used during the en route phase of flight that depicts airways, navigation aids, intersections, controlled airspace, minimum altitudes, communication frequencies, and reporting points needed to navigate between departure and destination. Separate versions are published for IFR low-altitude, IFR -altitude, and operations.