Originally Posted by
sbm12
Finally, I'm not entirely certain that they are processed immediately rather than batched and run at the end of the flight when the ACARS system is back in range. I know that B6 limits the transactions to $25 max and I believe that is the max the CC companies permit without real-time verification/approval.
They aren't processed in real time... yet. They are cached and batch processed once on the ground.
I have observed a WIFI SSID showing up on a 757 though, "SATlink". Going to do some digging through a couple of my contacts and see if I can learn more.