North Atlantic ADs/CPDLC
Accoss the North Antlantic some areas have limited system capability
Used for Position Reporting only: BODO, GANDER, REYKJAVIK, SANTA MARIA, SHANWICK, SONDERSTROM
ADS C/CPDLC in Designated Airspace only: EDMONTON, MONTREAL
Full ADS C/CPDLC: NEW YORK
Under developement/implementation: SHANNON
Even with Full ADS C/CPDLC there are differing requirements at the boundary entry point but a CPDLC Position Report is required at just about all.