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    Re: GPS Accuracy Now.
    From: Paul Baechler
    Date: 2000 May 03, 1:05 PM

    >  > Just as a point of information regarding automated landings.  When I
    >>  worked for Boeing in the 70's and 80's, we developed a fully automated
    >>  landing system.  We tested it on the 727, 737 and 747 platforms that we
    >>  had available.  We did a number of landings in heavy fog, rain (it is
    >>  always raining in Seattle) and other not so nice conditions.  It was
    >>  submitted to the FAA for certification back in 1980 and as far as what I
    >>  remember, never went any where.
    >>
    >>  I do know that we used the Seattle Tacoma airport, the Everett WA airport
    >>  and San Francisco airport for testing.  SF was very interested because of
    >>  the fog.
    >>
    >>  derrick
    >>
    >>  The FAA has been landing a test 727 automatically for a
    >>  couple of years, trying out various schemes. Among these is
    >>  the use of a pseudolite embedded in the runway, as well as
    >  > ground clearance radar.
    
    Autoland is not a new system, L-1011s (to cite an example) were
    delivered with a 0/0 capable autoland system.
    --
    
    Paul Baechler
    pbaechle{at}bellsouth.net
    

       
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