Aviation abbreviation
Controller–Pilot Data Link Communications
At a glance
Meaning of Controller–Pilot Data Link Communications
Digital communication between controllers and pilots using defined messages.
More about Controller–Pilot Data Link Communications
CPDLC can carry clearances, requests and reports through a data link. The supported messages and procedures depend on the airspace and equipment.
It complements voice communication rather than turning every radio exchange into free-text messaging. Crews follow the applicable acknowledgement and response procedures.