Just happend to pull up ADSB to see what the flight tracks into SFO looked like on this very windy day. Was surprised to see a signal indicating a plane was on the ground out off the coast. Check this out and tell me if I’m going crazy.
Actually it might be an ADSB data fault of some kind, some other sites are showing it landing at SFO. adsbexchange and radarbox show it landing in the ocean though, lol
Debugging this with some friends, we find no other flights affected. The track appears to be shifted just for that flight. Plausible theory would be some kind of onboard device interfering with the GPS signal?
It’s not quite as simple, either the GPS units don’t recover well from spoofing / jamming, or it’s something else that handles the GPS data on the way to the transponder.
But for that you’d have to check the actual systems that supply a position to the ADS-B transponder.
There might also be ways for the flight crew to reset stuff which might not always happen.
Regardless they passed over Russia, before that the GPS is fine, who would have guessed!
https://globe.adsbexchange.com/?icao=06a0f4&lat=52.684&lon=48.872&zoom=4.4&showTrace=2024-11-20×tamp=1732085828
I’d prefer to link airplanes live or adsb lol but limited coverage for that flight.
Regardless click on the traces and look at the reported accuracy for various spots:
Note that for GPS spoofing over / near Russia, often the accuracy will be fine when the aircraft is being spoofed.
But at least most of the time it shows low accuracy after if the devices don’t recover. (whichever hardware is involved)