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Russia leaves thousands of planes without GPS in northern Europe
(english.elpais.com)
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this post was submitted on 05 May 2024
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Imagine that kinda sucks for a pilot. A ship is at least moving fairly slowly, so you have time and plenty of space to do your charting the old fashioned way. Might even be kinda fun for the first few times, a chance to actually use that skill for once. A plane would have a tougher time of it, unless it has some inertial navigating system or something.
Lots of lighthouses don't operate anymore. Ships crashing into thing in the night was a big problem before GPS.
There are other navigation methods, radio towers etc. But GPS is a reliable works everywhere system, outside of malicious actors.
That's a good point, we have very few active lighthouses in the US anymore.
Somewhere, Gul Dukat is silently crying.
Don't all commercial planes have this?
There are other ways to navigate and fly other than gps and it’s basically just as easy to do. It’s just not quite as accurate and relies on stations on the ground which have been decommissioned over the years as gps has become more prevalent. VOR to VOR flying airways and then using ILS type approaches as an example.
Thinking about it: This can also be manipulated by an enemy on the ground...
Well they are all radio signals even the ILS and localizers. In the US our 5G network interferes with radio altimeters. A person at home can spoof airplane traffic that would show up in cockpits. Bad actors could cause havoc anywhere.
Would air traffic controllers be able to guide them via radar?
They could but you wouldn’t want to do that for all planes. Planes follow standard departure and approach paths so the controllers know where everyone is and should be going. Moving a few planes around no biggie but if you’re doing radar vectors for everyone that will slow things down dramatically.
That makes sense. I was thinking more about emergencies because it says outages are almost daily, which means not consistent.
They do, but compounding errors are always a problem with inertial navigation.
Instead of GPS, they can use fixed radio beacons like VOR and TACAN (which I think are both just US systems, but there are similar systems around the world and at major airports). This is basically the system that was in use before GPS.
EDIT: grammar
VOR is international, my local airport has one. TACAN is military only (though some can be used as a VOR by civilian aircraft), also international, and by the way originally British as per Wikipedia.
I understood everything in your comment! All those years playing FSX instead of going to school finally paid off!
I am not a pilot or aviation watcher, so I don't know. Makes sense.