A brief review is presented of oceanic air traffic control as it has been conducted in the U.S. The system improvements are described which are planned through the use of satellite communications technology, including air-ground data link and Automatic Dependent Surveillance (ADS). As nearly all of the oceanic airspace is outside of air traffic control (ATC) radar coverage, the oceanic ATC system has been characterized by the use of procedural nonradar separation. Further, most of the oceanic airspace is beyond the coverage of land based VHF communications, which is subject to line of sight limitations. Accordingly, it has been necessary to use High Frequency for air/ground/air communications. HF communications are relayed through commercial facilities dedicated to this purpose, which results in an additional delay in the ultimate reception of air traffic control messages. It is anticipated that the use of satellite relays will provide reliable and direct data link communications between controllers and pilots, eliminating the present communication delays. The use of ADS will provide continuous surveillance of oceanic air traffic on displays similar in appearance to ATC radar displays.


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    Title :

    Us Oceanic Air Traffic Control: Past, Present, and Future


    Contributors:
    A. Colberg (author)

    Publication date :

    1991


    Size :

    3 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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