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  • Re: Airplanes + Geomagnetic S

    From Rug Rat@1:135/250 to Mike Powell on Fri Jan 16 08:08:20 2026
    On Fri 16-Jan-2026 8:42a, Mike Powell@1:2320/105.0 wrote:
    Space Weather News for Jan. 15, 2026
    https://spaceweather.com

    AIRPLANES 'LOST' DURING A GEOMAGNETIC STORM: A new study published in the journal Space Weather suggests that flying during an extreme geomagnetic storm
    may not be a great idea. In May 2024, storm-time disturbances in Earth's ionosphere disrupted aircraft tracking systems, with some planes briefly appearing hundreds of kilometers from their true locations. Full story @ Spaceweather.com (https://spaceweather.com) .


    More like dimminishing navigation skills are not a good idea.

    geomagnetic disturbances should not affect INS navigation so airliners would not be affected. My concern is that keeping a dead reckoning plot on the enroute chart prepared by operations used to be manditory! Not so much any more.

    Rug Rat (Brent Hendricks)
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  • From Mike Powell@1:2320/105 to RUG RAT on Sat Jan 17 10:36:26 2026
    More like dimminishing navigation skills are not a good idea.

    geomagnetic disturbances should not affect INS navigation so airliners would not be affected. My concern is that keeping a dead reckoning plot on the enroute chart prepared by operations used to be manditory! Not so much any more.

    If that is really the case, that is a concern.

    Mike

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  • From Rug Rat@1:135/250 to Mike Powell on Sat Jan 17 11:36:46 2026
    On Sat 17-Jan-2026 10:36a, Mike Powell@1:2320/105.0 said to Rug Rat:

    If that is really the case, that is a concern.

    With redundancies of redundancies, they are like NOTAMS... "Nobody reads thouse...".

    The chance of 2 / 3 IRU's failing simultaneously are NIL.

    Rug Rat (Brent Hendricks)
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