CPDLC Flashcards
1
Q
What’s CPDLC?
A
Controller Pilot Data Link Communications.
It is a direct line of text message communication between the pilots and the ATC.
ACARS is one form of CPDLC.
2
Q
When is data link equipment required?
A
When flying above FL285
3
Q
Can you use a data-link system below FL285?
A
Yes, if:
1. Operator is approved
2. Crew is trained
3. Aircraft must be equipped with the proper elements
4
Q
What are the main advantages of the CPDLC?
A
- Not reliant on the quality of the aural radio transmission to deliver and understand the message.
- Allows for decongestion of the radio frequencies.
5
Q
What should you do when your CPDLC fails?
A
Revert to voice communications.
6
Q
When should you send a logon request for CPDLC?
A
10 to 15 min prior to entering the airspace in which you intend to use CPDLC.
7
Q
How long can you take before replying to a CPDLC message?
A
100 seconds
