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.

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1answer
160 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 ...
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1answer
84 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, ...
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2answers
761 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 ...
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1answer
952 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 ...
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1answer
2k 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 ...
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1answer
403 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 ...
4
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1answer
222 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 ...
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1answer
352 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 ...
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1answer
15k 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 ...
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2answers
250 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 ...
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1answer
208 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 ...
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1answer
799 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 ...
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1answer
818 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?
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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 ...