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Thread: Altimeter Check for RVSM airspace
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Old 17th Mar 2009, 02:46
  #14 (permalink)  
galaxy flyer
 
Join Date: Dec 2002
Location: Where the Quaboag River flows, USA
Age: 71
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Rainboe

don't think pressure altimeters have comparators in EICAS aeroplanes at all.
My bizjet has a comparator that give an amber ALT when the difference exceeds 200 feet. Functionally tested recently in turbulence with altimeters that were close to the edge.

GF
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