Unicom

Technology / Aviation / Unicom: Universal Communication. A common radio frequency (usually 121.0 mHz) used at uncontrolled (non-tower) airports for local pilot communication.

Nontowered Airport

Technology / Aviation / Nontowered Airport: An airport without a control tower - the majority of America’s 13,000 airports. Only 680 airports have control towers. Nontowered airports are far from being uncontrolled. Pilots follow traffic patt MORE

Common Traffic Advisory Frequency (CTAF)

Technology / Aviation / Common Traffic Advisory Frequency (CTAF): A communications radio frequency designed for the purpose of carrying out airport advisory practices while operating to or from an airport without an operating control tower. The CTAF may be a UNICOM, MORE

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