The website and the system that gets it out to all the planes are related but not the same.
With all the hate in HN regarding SOA, here’s a great example of adding resilience by separating concerns at a systems level.
Reminds me of that screenshot of a windows popup unable to display an error.
I will never forget trying to set up a printer on a linux desktop 20+ years ago: tried to print a diagnostic/test page. All that printed was a single line of text: "Unable to connect to printer."
NOTAM is a notice to alert aircraft pilots of potential hazards along a flight route...
Command control can see that NOTAM system is out and publish advisory. (Not via NOTAM system)
As I understand it there's a hotline and periodic teleconferences and webinars today that for sure everyone at the airlines is participating it.