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Thread: AF447 Thread No. 3
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Old 13th Jun 2011, 15:13
  #1930 (permalink)  
GarageYears
 
Join Date: Jun 2009
Location: VA, USA
Age: 58
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safetypee:

Thanks for the link. Here's what I read:

Modes of failure:
MODE 1:the Pitot tube is filled up with water. Pitothead obstructed by ice, the drain holes is free of ice. The airspeed indication is low or invalid.

MODE 2:The Pitot head and the drain holes are obstructed by ice. The Total pressure is trapped in the probe. The airspeed indication do not follow the barometric altitude
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