What Is CPDLC in Aviation?
CPDLC defined for aviation professionals, with its operational or commercial use, document context and related terminology.
Definition and Operating Context
Controller-Pilot Data Link Communications, or CPDLC, allows pilots and air traffic control to exchange standardized text-based operational messages by data link.
Aviation Glossary
Term: CPDLC
Category: Airline Operations & Navigation
Operational Effect
It supplements or reduces reliance on voice communication in busy or remote airspace and forms part of many oceanic and continental communications environments.
How It Is Used in Flight Operations
CPDLC is used within dispatch, flight planning, crew procedures, aircraft approvals or air traffic operations depending on the subject. Operators must apply the version and approval basis recognized by the relevant aviation authority.
Approval and Dispatch Considerations
Equipment capability alone may not be sufficient. Operator approval, crew qualification, maintenance status, database currency, route authorization and company procedures can all affect whether the capability may be used on a specific flight.
Related Aviation Topics
Related ACMI World coverage includes structuring an ACMI RFP, ACMI lease pricing, benefits of ACMI leasing, international charter compliance and wet lease versus dry lease.
It supplements or reduces reliance on voice communication in busy or remote airspace and forms part of many oceanic and continental communications environments.
CPDLC FAQ
What does CPDLC mean in aviation?
Controller-Pilot Data Link Communications, or CPDLC, allows pilots and air traffic control to exchange standardized text-based operational messages by data link.
Why does CPDLC matter?
It supplements or reduces reliance on voice communication in busy or remote airspace and forms part of many oceanic and continental communications environments.
Where would an aviation professional encounter CPDLC?
It is commonly encountered in airline operations & navigation documents, procedures, calculations or operating discussions where the underlying technical or commercial issue is relevant.
Does installed equipment automatically authorize the operation?
No. Many capabilities also require operator approval, current maintenance status, crew qualification and procedures accepted by the relevant authority.