Terrain warning driven by same faulty positional data The case of an airliner on approach that missed trees on a ridgeline by a scant 55 feet underscores the hazard of drawing all positional information from a common source. The near accident emphasizes the need for the terrain warning system to have its own, independent means of determining the airplane's position in the sky to provide aircrews with timely warning of impending doom. The incident involved a British Mediterranean Airways A320…
False Navigation Display Leads to Near-Crash
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