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Thread: Ash cloud a hazard for pitot tube / airspeed indicator!
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Old 16th April 2010 | 23:38
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glhcarl
 
Joined: Jan 2006
Posts: 454
Likes: 3
From: Georgia, USA
The problem is that the ash will erode the orifices in the pitot system, which could lead to erroneous readings.

Another problem caused by volcanic ash is crazing and/or delamination of cabin windows. The ash is highly acidic combined with moisture.
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