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Thread: GPS groundspeed
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Old 2nd Sep 2003, 22:46
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411A
 
Join Date: Mar 2000
Location: Arizona USA
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One of the many reasons the FAA does not allow any of the handheld/column mount sets to be used for IFR navigation.
Have two KLN89B (IFR approved) sets installed in my private aircraft, and the GS readout is always within 1-2 knots.
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