Contents
When was CPDLC invented?
1990s
It was originally deployed in the South Pacific in the late 1990s and was later extended to the North Atlantic.
Where is CPDLC required?
Controller Pilot Data Link Communications (CPDLC) are currently required in Datalink Mandated (DLM) airspace within the North Atlantic Tracks (NATs). As of Dec 7, 2017, airspace impacted by CPDLC requirements will expand and this will affect general aviation (GA) transatlantic operations.
Does CPDLC use Acars?
CPDLC addresses the capacity limits of voice communications in designated European airspace, providing controller and pilots an air / ground data link. ACARS facilitates communication between flight crew and ground based operations, in all phases of flight. CPDLC & ACARS in one box saves cost and installation space.
Is Cpdlc encrypted?
CPDLC messages are transferred over the data link, which does not provide any authentication or encryption. As a result, any outsider possessing radio equipment can monitor data link-based communications and decode these messages.
How is CPDLC DCL used in surface operations?
CPDLC DCL messages are established message sets in Future Air Navigation System (FANS) equipped aircraft. The CPDLC DCL service is designed for use in surface operations and replaces the existing Pre-Departure Clearance (PDC) at Tower Data Link Services (TDLS) sites for participating aircraft.
When to use CPDLC as a means of communication?
When operating within airspace beyond the range of DCPC VHF voice communication, CPDLC is available and local ATC procedures do not state otherwise, the flight crew should normally choose CPDLC as the means of communication.
What is controller pilot datalink communication ( CPDLC )?
CPDLC-DCL (Controller-Pilot Data Link Communications – Departure Clearances) allow crews to request and receive air traffic control departure clearances in text form via data link.
What does CPDLC stand for in air traffic control?
The CPDLC application provides air-ground data communication for the ATC service. This includes a set of clearance/information/request message elements which correspond to voice phraseology employed by air traffic control procedures.