Common traffic advisory frequency (CTAF) is the name given to the VHF radio frequency used for air-to-air communication at United States, Canadian and Australian non-towered airports.
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CTAF FrequenciesThe Common Traffic Advisory Frequency (CTAF) or Unicom frequencies are typically used at nontowered airports. The most common are 122.7, 122.8, 122.9, 123.0. 123.050 MHz with 122.950 being the usual CTAF frequency of choice for airports with a tower.
ATIS provides comprehensive airport and weather information and updates every hour. AWOS and ASOS offer weather data without additional airport information. AWOS and ASOS systems can be found at both towered and non-towered airports. ATIS, however, is only available at towered airports.
In the daytime, provided the airport allows SVFR (some do not—they are listed in the Aeronautical Information Manual), a student pilot can request special VFR—but remember, as a student, you are still bound by FAR 61.89, which states you cannot act as pilot in command when flight or surface visibility is less than 3 ...