From: email@example.com (Paul Kearney) Date: 21 Apr 2000 10:40:51 -0700 Organization: Ireland On-Line Customer References: 1
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Chris Dahler <firstname.lastname@example.org> wrote: ::Hmmm. Actually, the way navigational systems work in Boeing airplanes ::is not by updating the IRS's. As far as I know, once the IRS's are ::aligned on the ground, their position information cannot be updated ::until the aircraft is stationary again. ::Navigation is actually taking place via the Flight Management Computer ::(FMC). The FMC accepts navigational inputs from several sources (GPS, ::DME/DME, VOR/DME, IRS). The FMC chooses which position to accept Ah,,, cant be right all the time. Yes... the FMC is updating the position-info it gets from the IRS... by cross-testing with info from the DME Youre right I'm wrong.