CPDLCtiedonsii
CPDLCtiedonsii is a term that appears to be a concatenation of "CPDLC" and a misspelling of "tied on" or "tied in" possibly followed by "sii". CPDLC stands for Controller-Pilot Data Link Communications. It is a digital text-based communication system used in aviation to exchange information between air traffic controllers and pilots. This system allows for the transmission of routine messages such as clearances, requests, and reports without the need for voice communication, thereby reducing radio congestion and potential misunderstandings.
The addition of "tiedonsii" to CPDLC does not correspond to any officially recognized aviation term, acronym,