Topdrop, wonder if you could enlighten me.
At
EGGX we are limited to using CPDLC for speed/level reclearances, transfer of comms at FIR boundaries, (Next Next Data Authority / VHF), and a limited number of freetext messages. Position reports are only accepted via ADS and HF as CPDLC 'psn reps' are not (yet) able to be forwarded via AFTN to the next (receiving) OCC. The capability to tx routing data is available but prohibited due to issues concerning the ability of certain types of FMS to upload and update route data without reference to the crew. (A problem I believe first encountered by NY OCC).
What if any differences exist with how you guys use it?