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Common traffic advisory frequency (CTAF) is the name given to the VHF radio frequency used for air-to-air communication at United States, and Australian non-towered airports. Many towered airports close their towers overnight, keeping the airport open for cargo operations and other activity.
In the United States, radio frequencies made available by the Federal Communications Commission for use as UNICOM are: [8] Airports with an Air Traffic Control tower or FSS (Alaska only) on the airport. [8] 122.950 MHz; Airports without an Air Traffic Control tower or FSS on the airport. [8] 122.700 MHz; 122.725 MHz; 122.800 MHz; 122.975 MHz ...
Airport Location Code Total Movements Rank Change Change 1. Hartsfield–Jackson Atlanta International Airport: Atlanta, Georgia, United States ATL/KATL 775,818 7.1% 2. O'Hare International Airport: Chicago, Illinois, United States ORD/KORD 720,582 1.3% 3. Dallas Fort Worth International Airport: Coppell, Euless, Grapevine, and Irving, Texas ...
However, most of the layers of data on the charts include specific information about obstacles, airspace designations, and facility information (locations, radio frequencies, etc.). The legend divides these into several types of information, namely: airports, radio aids, traffic and airspace services, obstructions, topographic, and miscellaneous.
Many airports also employ the use of data-link ATIS (D-ATIS, introduced in 1996 [2]). D-ATIS is a text-based, digitally transmitted version of the ATIS audio broadcast. It is accessed via a data link service such as the ACARS [5] and displayed on an electronic display in the aircraft.
Frequency allocations vary from region to region. Despite the use of uppercase letters, MULTICOM is not an abbreviation or acronym. In the United States, there is one MULTICOM frequency: 122.9 MHz. (See AIM table 4-1-2 or AIM table 4-1-1) At uncontrolled airports without a UNICOM, pilots are to self-announce on the MULTICOM frequency.
DAFIF diagram of Ottawa International Airport. The Digital Aeronautical Flight Information File or DAFIF (/ ˈ d eɪ f ɪ f /) is a comprehensive database of up-to-date aeronautical data, including information on airports, airways, airspaces, navigation data, and other facts relevant to flying in the entire world, managed by the National Geospatial-Intelligence Agency (NGA) of the United States.
Airport Heat Maps display the frequency of flights to different airports or cities from a particular originating airport. The Radarbox real-time statistics page contains a large volume of flight data from flights tracked daily. The stats shown on this page currently display data for the past 6 months.