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Comment by dx034 | Hacker News Reader

There's a ground stop for all flights now.

GROUND STOP ALL FLIGHTS / ALL DESTINATIONS EXCLUDES MILITARY AC AND MEDEVAC FLIGHTS DESTINATION AIRPORT; ALL FACILITIES INCLUDED: ALL GROUND STOP PERIOD: UNTIL 1430Z REASON: EQUIPMENT OUTAGE REMARKS: US NOTAMS SYSTEM DOWN

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This might be a silly question, but is that a NOTAM saying that NOTAM system is down? How does it get out?

This is an Air Traffic Control System Command Center (ATCSCC) advisory: https://www.fly.faa.gov/adv/adv_otherdis.jsp?advn=28&adv_dat...

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.

Why don't they use lower case letters?

https://fixingnotams.org/wp-content/uploads/2019/11/Field-Gu...

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