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    Re: GPS jamming concerns
    From: John D. Howard
    Date: 2016 Aug 10, 14:46 -0700

    Mark,

    I echo your lament to CROSSCHECK.  This is not a new nor GPS only.  Look into the KoreanAir flight that crossed into Russia and was shot down.  Seems the crew typed in the wrong digits into their INS.

    A friend of mine flying a C-141 landed at the civilian airport at Ankarna instead of the Air Base Inserlick.  The INS said straight ahead but everything else ( VOR, TACAN, Loran,  ADF ) said left. This was back in the 1980s

    Look at the ( Asian ) airliner that crashed at San Francisco a few years back.  Good weather, the crew saw the airport but the autopilot, autothrotles, FMS ( flight management system ) all said pull power back and the plane hit the ground short of the runway.  At least three pilots were in the cockpit and no one said "  Hey, we are a little slow"  

    GPS is a great aid to navigation but fails more often to " Head up your a** "

    John H.

       
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