=== DataComm Acronyms === See Also: DataComm ACARS Aircraft Communications Addressing and Reporting System http://en.wikipedia.org/wiki/Aircraft_Communications_Addressing_and_Reporting_System ATN Aeronautical Telecommunications Network http://en.wikipedia.org/wiki/Aeronautical_Telecommunication_Network CPDLC Controller–pilot data link communications http://en.wikipedia.org/wiki/Controller%E2%80%93pilot_data_link_communications FANS Future Air Navigation System http://en.wikipedia.org/wiki/Future_Air_Navigation_System PDC Pre Departure Clearance [[br]] * PDC is a subscriber based service that is used at the larger airports in the NAS to provide an effective and efficient means of delivering departure clearances before aircraft pushback. TDLS Terminal Data Link Services http://wiki.jvncomm.com/attachment/wiki/DataCommAcronyms/TDLS.pdf VDL VHF Digital Link http://en.wikipedia.org/wiki/VHF_Data_Link