AERONAUTICAL MOBILE SERVICE — DATA LINK COMMUNICATIONS
While the provisions of Chapter 8 are based primarily on the use of controller-pilot data link communications
(CPDLC), the provisions of would apply to other data link applications, where applicable, including surveillance —
contract (ADS-C) and data link-flight information services (e.g. D-ATIS, D-VOLMET, etc.).
For the purposes of these provisions, the communication procedures applicable to the aeronautical mobile
service, as appropriate, also apply to the aeronautical mobile satellite service.
Note 3.— Guidance material relating to CPDLC, ADS-C and related data link initiation capability (DLIC) can be found
in the Global Operational Data Link (GOLD) Manual (Doc 10037).
Data link initiation capability (DLIC)
PANS.— Before entering an airspace where data link applications are used by the ATS unit, data link
communications shall be initiated between the aircraft and the ATS unit in order to register the aircraft and, when necessary,
allow the start of a data link application. This shall be initiated by the aircraft, either automatically or by the pilot, or by the
ATS unit on address forwarding.
PANS.— The logon address associated with an ATS unit shall be published in the Aeronautical Information
Publications in accordance with Annex 15.
Note.— A given FIR may have multiple logon addresses; and more than one FIR may share the same logon address.
AIRCRAFT INITIATION
PANS.— On receipt of a valid data link initiation request from an aircraft approaching or within a data link service
area, the ATS unit shall accept the request and, if able to correlate it with a flight plan, shall establish a connection with the
aircraft.
ATS UNIT FORWARDING
PANS.— The ground system initially contacted by the aircraft shall provide to the next ATS unit any relevant updated
aircraft information in sufficient time to permit the establishment of data link communications.
Source by ICAO Annex 10
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