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▲ All US airports are currently ground stopped(twitter.com)
153 points by defly 4 hours ago | 28 comments
▲stmw 4 hours ago | parent | next [-]

Pilot forum discussion - https://www.pprune.org/rumours-news/674910-us-wide-ground-st...

▲AstroNutt an hour ago | parent [-]

Thanks for the link. I clicked it and was greeted with this. LOL!

"It seems the shiny new AI tech tool Strategic Management of Airspace Routing Trajectories (SMART) may have become Failed Airspace Routing Trajectories (FART)"

▲frutiger 4 hours ago | parent | prev | next [-]

"Frequency outage", I think that translates to radio communications not working, until "22 Zulu" aka 22:00 UTC, 5 PM ET.

▲lenerdenator 3 hours ago | parent [-]

How does one prevent transmission on a frequency in an area the size of the continental US?

It's radio. Either you jam it or it works. That's the selling point.

▲NordSteve 3 hours ago | parent [-]

It's not the transmitting per-se. The network that gives controllers access to the en route radio system isn't letting them connect to the radios.

▲DavCreator 3 hours ago | parent | prev | next [-]

https://xnotme.com/flightradar24/status/2121347654714077605

▲treebeard901 4 hours ago | parent | prev | next [-]

Microsoft outage related??

▲whynotmaybe 2 hours ago | parent | next [-]

I can easily imagine a batch job on a mainframe that sends every hour some important data by mail and that some logic apps checks that mailbox to propagate the data but now that mails have been delayed +12hours it's going haywire

▲cucumber3732842 16 minutes ago | parent [-]

And that sort of architecture is normally not a problem (finance has all sorts of stuff like that)... but national ATC systems are not the kind of situation were some SRE can just side load the file while keeping their job.

▲PsycorAI 3 hours ago | parent | prev [-]

good question

▲datas 4 hours ago | parent | prev | next [-]

What are all the possible reasons to do this?

Has this ever happened?

▲tencentshill 4 hours ago | parent | next [-]

A credible threat from Iran? More likely a technical issue.

Happened in 2023 https://www.faa.gov/newsroom/faa-notam-statement

▲ceejayoz 3 hours ago | parent | prev | next [-]

Jan 2023 was the most recent nationwide one.

https://www.cnbc.com/2023/01/11/faa-orders-airlines-to-pause...

https://en.wikipedia.org/wiki/2023_FAA_system_outage

▲NooneAtAll5 2 hours ago | parent | prev | next [-]

previous time it happened right before chinese baloon made the news

it may be something similar - remove all random, but controllable sources of radar return for military to start scanning

▲lobf 4 hours ago | parent | prev [-]

It happened on 9/11, didn’t it?

▲stmw 4 hours ago | parent [-]

yes, 9/11

▲Jtsummers 3 hours ago | parent [-]

And in 2023, which was more similar to this. This is a departure stop, planes in the air are still heading towards their destinations. This is not the same as 9/11 where flights were redirected to their nearest airports for immediate landings.

▲throwaway81523 an hour ago | parent | prev | next [-]

"If builders built houses the way programmers built programs, the first woodpecker to come along would destroy civilization" -- Gerald Weinberg.

Looks like the woodpecker has arrived.

▲elendilm an hour ago | parent [-]

I disagree vehemently that programmers build lousy programs. Many of us do quite the contrary.

But this is hilarious, and hence I am upvoting.

▲dijit 9 minutes ago | parent [-]

We’re in the “wooden dwellings” era of software.

Some cathederals are built, over time, by craftsmen who do work that spans decades.

However, very few of us are doing that. Most people are just throwing up a shack to live in.

▲cobychapple 3 hours ago | parent | prev | next [-]

Looks lifted now. https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&a... https://www.fly.faa.gov/adv/adv_otherdis?adv_date=11132026&a...

▲brianshaler 3 hours ago | parent [-]

If you refresh a few times it'll show the advisories.

▲ChrisArchitect 3 hours ago | parent | prev | next [-]

Some more discussion: https://news.ycombinator.com/item?id=50489641

▲pstuart 4 hours ago | parent | prev | next [-]

I guess some of their floppy drives must have given out.

▲10111001 an hour ago | parent [-]

> I guess some of their floppy drives must have given out.

More likely: the reengineered system has a serious bug.

▲deadbabe an hour ago | parent | prev [-]

This has been a horrible week for AI: Jensen resigned, Microsoft Outage, now FAA outage from new AI system.

The reason is clear: all this points to the ANT ipo next week, people want to pop the AI bubble.

▲afavour an hour ago | parent | next [-]

1. There’s no proof yet that this is AI related

2. The idea that someone would ground all air traffic in order to disrupt Anthropic’s IPO is an absolutely wild conspiracy theory with no basis in reality

▲mcdonje an hour ago | parent | prev [-]

What a cope. Per occam's razor, the most likely cause is putting hallucinations on the critical path. But sure, peddle a conspiracy theory.