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CPDLC

Old 28th Aug 2020, 08:04
  #1 (permalink)  
chr
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CPDLC

Hi

are you guys normally adding "CPDLC" during first call to ATC or you just trying to connect without adding "CPDLC" after check-in to ATC verbaly

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Old 28th Aug 2020, 08:07
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In Europe? Normally you would just check in with a new sector and state your callsign and the term "CPDLC".
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Old 28th Aug 2020, 08:25
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chr
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thank's - yes in Europe , just wondering if you not add term CPDLC during check-in but just simply try to connect instead , it will be refused or accepted by ATC guy
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Old 28th Aug 2020, 08:29
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Always seemed a bit daft to me. The whole point of cpdlc is to avoid radio calls...
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Old 28th Aug 2020, 08:59
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Most european airlines seem to omit "CPDLC" call when checking in, it's not required by any regulations and my company's SOP clearly states that it is unnecessary. It's mainly carriers from far east that do that call.
It's actually the opposite - since CPDLC is mandatory, you're supposed to advise when unable, otherwise they assume you will connect.
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Old 28th Aug 2020, 09:17
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No, I don't and no one has complained about it, so far.
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Old 28th Aug 2020, 09:19
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Originally Posted by BarryMG View Post
Most european airlines seem to omit "CPDLC" call when checking in, it's not required by any regulations and my company's SOP clearly states that it is unnecessary. It's mainly carriers from far east that do that call.
It's actually the opposite - since CPDLC is mandatory, you're supposed to advise when unable, otherwise they assume you will connect.

since when is CPDLC mandatory in Europe?
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Old 28th Aug 2020, 09:22
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CPDLC is not mandatory in Europe.
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Old 28th Aug 2020, 09:42
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CPDLC is mandatory in Europe for last few weeks.
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Old 28th Aug 2020, 11:26
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Show me a link that states CPDLC is mandatory in Europe.
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Old 28th Aug 2020, 12:10
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I can't post links, but the first result on google for searching "Improved communication technology for aircraft europa.eu" will lead you to the references.
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Old 28th Aug 2020, 12:13
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Originally Posted by dc9-32 View Post
Show me a link that states CPDLC is mandatory in Europe.
Try this: www.easa.europa.eu/the-agency/faqs/airspace-usage-requirements-dlscpdlc-controller-pilot-data-link-communication
"The DLS IR [Data Link Services Implementing Rule] is an airspace requirement and is applicable for all IFR GAT flights operating above FL285."
Since February this year AFAIR.
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Old 28th Aug 2020, 13:15
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As far as I know it is not compulsory to state CPDLC. So I don't. It does not add any info for the controller that is not known, but it is additional radio clutter.
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Old 28th Aug 2020, 14:39
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“CPDLC” call is not required, but some pilots add it to their call sign assuming it sounds cool... ATS already have a different radar marking for CPDLC enabled aircrafts.
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Old 28th Aug 2020, 16:22
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Originally Posted by chr View Post
thank's - yes in Europe , just wondering if you not add term CPDLC during check-in but just simply try to connect instead , it will be refused or accepted by ATC guy
Just connect, if the details are correct they will accept it.
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Old 28th Aug 2020, 19:02
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Agreed, not required, ATC know you have a connection. As seventhreedriver says, the radar label identifies this. In our region only the Middle East airlines tend to "announce" it.

S02
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Old 28th Aug 2020, 22:12
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Ok, great, then I stand corrected. When CPDLC was newish, we heard it all the time. Sadly, my aircraft's CPDLC protocol is not compatible with our European CPDLC-servers, so we cannot use it.
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Old 28th Aug 2020, 22:39
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I do not announce it. As it has already been said, the whole point of this is to reduce comunications, not to increase them.


Also, it already shows up to the ATC screen, so why would you need to anounce something they already know? I think it is not necessary.
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Old 29th Aug 2020, 00:19
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Why “announce something they already know?” Same could be said for call signs, flight levels and directs.
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Old 29th Aug 2020, 05:25
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Oldlurker
Thanks for the link but I understood it was delayed.
The link provided doesn't really show it is mandatory from a specific date unless I missed it.
When they mention "delivery" flights, is that from manufacturer only or is it a wider spectrum such as "delivery to new owner, or delivery to an MRO" etc etc ?
There is a list of exemptions to which many airliners, B737-800, B757, Airbus A320/1 are exempt.
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