Questions tagged [cpdlc]

Controller-pilot data link communication is a method of exchanging messages between pilots and ATC using either the FANS or ATN datalink protocols. It is used in situations where voice radio communication is impractical, such as highly congested airspace.

Filter by
Sorted by
Tagged with
4 votes
2 answers
928 views

How is the gate/stand communicated to airline pilots?

I have heard that pilots use Controller–Pilot Data Link Communication or ACARS to know which gate (or stand?) they are supposed to be going to but haven't been able to find a definitive answer. Does ...
user avatar
2 votes
1 answer
607 views

How does ADS-C and FMS relate to FANS?

So - I'm totally confused about FANS and its systems. From what I understand: FANS 1/A (started in 90s) has some early CPDLC for USA routes (this topic) but what about position reporting? Does it ...
user avatar
  • 135
2 votes
1 answer
137 views

Which pilot (pilot flying, pilot monitoring) handles CPDLC (operates CPDLC interface)?

This question relates to commercial flights, typical two-pilot crew: In some airspaces, e.g. North Atlantic, pilots and Air Traffic Control use Controller Pilot Data Link Communication (CPDLC, ...
user avatar
  • 4,622
4 votes
2 answers
1k views

When do pilots have to submit position reports?

While over non-radar controlled airspace (e.g. the North Atlantic, the Pacific, or over vast parts of Africa), pilots will submit position reports. Is there a regular time interval in between position ...
user avatar
  • 4,622
1 vote
1 answer
2k views

Which frequencies does VDL Mode 2 use when used via the ATN (rather than ACARS)?

If I understand the slide below correctly (source), CPDLC can be used either via ACARS or via ATN. I know that, in the case of VDL Mode 2, there are specific ACARS frequencies. Which frequencies are ...
user avatar
  • 823
3 votes
1 answer
3k views

How does VDL relate to ACARS and CPDLC?

I know that ACARS and CPDLC are 2 different systems, so I can compare ACARS vs CPDLC, but can I do the same comparation between CPDLC vs VDL? Or a CPDLC it’s a VDL? If CPDLC it is a VDL, ACARS it is ...
user avatar
9 votes
1 answer
544 views

What happens after a clearance or an instruction has been sent by ATC using CPDLC?

With conventional ATC, an instruction or a clearance is broadcast using voice, in case of no response from the crew, it can be repeated, and if silence persists it can be discarded as if it was never ...
user avatar
  • 67.7k
4 votes
1 answer
291 views

How do SIGMETs arrive in a cockpit on a modern longhaul flight?

What is todays medium of choice (Voice Radio, ACARS,CPDLC,…) to receive SIGMET messages on a commercial longhaul flight, for example from continental Europe to the US westcoast? Are there any ...
user avatar
  • 361
5 votes
1 answer
419 views

When and how is CPDLC established?

On a typical commercial trans-Atlantic flight, say from Frankfurt (EDDF) to New York Kennedy (KJFK), on a typical airliner (B777, A380, B787, etc.), when are Controller–Pilot Data Link Communications ...
user avatar
  • 4,622
18 votes
2 answers
23k views

What are the differences between ACARS and CPDLC?

What are the differences between Aircraft Communication, Addressing and Reporting System (ACARS), and Controller Pilot Data Link Communication (CPDLC)? Can anyone please let me know in short, what is ...
user avatar
6 votes
2 answers
299 views

Would flying below FL285 be feasible for aircraft that don't comply with EASA CPDLC?

I am not a pilot, my understanding about flight is limited. EASA CPDLC will require airplanes to be capable of PM-CPDLC data communication to fly above FL285. For an airline with multiple 767-300 ...
user avatar
  • 243
2 votes
1 answer
251 views

Would a 767-300 be considered FANS-1 capable without SATCOM?

It is known that aircraft flying in Europe above FL285 will be mandated to be capable of PM-CPDLC data link communication. Our 767-300 has ACARS CMU, Pegasus FMC, MCDU and VHF radios (three). The ...
user avatar
  • 243
2 votes
1 answer
962 views

Is implementation of CPDLC mandated by EASA?

Is CPDLC (Controller–pilot data link communications) mandatory by EASA? I have not heard any update that Airlines are using CPDLC. While talking to some of the pilots I heard that they have been ...
user avatar
4 votes
1 answer
956 views

Are there aircraft exemptions for CPDLC in the NAT area?

Another question lists the aircraft that are exempt from the EASA CPDLC rule. Is there a similar exemption for aircraft operating in the North Atlantic?
user avatar
  • 57.6k
8 votes
1 answer
4k views

Which airplanes are exempt from Europe's 2015 CPDLC (Link 2000+) requirement?

In February 2015, all flights above FL285 in EU airspace are required to have CPDLC/Link 2000+. However, I have been told by an avionics provider that some aircraft types are exempt from the ...
user avatar
  • 57.6k