Plain English Meaning

A short way of writing 'frequency' next to a number, telling you which radio channel to tune for talking to a controller or receiving a navigation signal.

Full Definition

A shorthand label used on aeronautical charts and in flight publications to indicate a radio frequency, expressed in megahertz (MHz) for VHF communications and navigation, or kilohertz (kHz) for low-frequency navigation aids.

Context Anchor

Seen on IFR charts, airport information, flight plan materials, and aircraft radio displays wherever a communication channel is listed.