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FAQ: What is Unicom and Ctaf?

UNICOM is a licensed non-government base station that provides air-to-ground and ground-to-air communication, and may also serve as a CTAF when in operation. MULTICOM is a frequency allocation without a physical base station that is reserved as a CTAF for airports without other facilities.

What is CTAF vs UNICOM?

You call ” Traffic ” on the CTAF when you are self reporting your position. You are not soliciting of expecting a response. You are talking to other aircraft. You call “Unicom” when you are expecting a response from someone at a ground station.

What does UNICOM stand for?

A UNICOM (universal communications) station is an air-ground communication facility operated by a non-air traffic control private agency to provide advisory service at uncontrolled aerodromes and airports and to provide various non-flight services, such as requesting a taxi, even at towered airports.

What are CTAF procedures?

The CTAF is a frequency designated for the purpose of carrying out airport advisory practices while operating to or from an airport without an operating control tower. It allows pilots to self-announce their positions and intentions.

What is Unicom frequency used for?

The primary function of the frequency used for UNICOM services where the frequency is the CTAF is to give pilots the means to make standard positional broadcasts when operating in the vicinity of the aerodrome.

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What is CTAF for?

The Common Traffic Advisory Frequency (CTAF) is a frequency designated for manned aircraft pilots to communicate with each other directly, air-to-air, while operating to or from an airport without an operating control tower.

What is MULTICOM used for?

In U.S. and Canadian aviation, MULTICOM is a frequency allocation used as a Common Traffic Advisory Frequency (CTAF) by aircraft near airports where no air traffic control is available. Frequency allocations vary from region to region.

Is CTAF a Unicom?

A CTAF is a frequency designated 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, MULTICOM, FSS, or tower frequency and is identified in appropriate aeronautical publications.

Are CTAF frequencies recorded?

In place of the “beep” tone the FCC has substituted a mandatory requirement that persons to be recorded be given notice they are to be recorded and give consent. Notice is given by this entry, consent to record is assumed by the individual placing a call to the operational facility.

What is the difference between ATIS and CTAF?

ATIS and CTAF are not the same thing. ATIS is a automated weather report, where as CTAF is a airspace. CTAF (Common Traffic Advisory Frequency).

What frequency is CTAF?

The most common CTAF frequency is 126.7 MHz at non-towered aerodromes, except for when two CTAF airports are near each other. Aerodromes using CTAF outside tower hours typically nominate a frequency that is used during tower hours.

Are CTAF calls required?

While the FAA highly encourages radio reports over Common Traffic Advisory Frequencies (CTAF) published for non-towered airports, there is no legal requirement for it.

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How do I listen to CTAF?

If you’ve got nothing better to do on one night, visit LiveATC.net, where anyone with a computer or smartphone and a passing interest in aviation can listen to control towers live, worldwide, and in full action. Student pilots use it to listen to their local airport to get accustomed to the myriad radio calls required.

What is Unicom frequency in aviation?

Background on UNICOM/CTAF Originally, 122.8 MHz was the standard Unicom frequency for all airports. As flying activity and the number of airports increased, 122.7 MHz and 123.0 MHz were added to accommodate the increased traffic.

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