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[Phys-l] FW: [tap-l] Any Aviators on the list?



John, this is right up your alley...

Sam

-----Original Message-----
From: tap-l-owner@lists.ncsu.edu [mailto:tap-l-owner@lists.ncsu.edu] On
Behalf Of cbettis@unlserve.unl.edu
Sent: Thursday, June 11, 2009 10:24 AM
To: tap-l
Subject: [tap-l] Any Aviators on the list?

I am a bit puzzled by the Air France crash reports. It is being
suggested that frozen over pitot tubes caused erratic air speed
indications leading to loss of control. Wouldn't the pilots have
noticed this and used their GPS equipment to get their ground speed
and use it as a reference based on the difference between their last
good airspeed measurement and ground speed? Is it that ground speed
and air speed can be wildly different around thunderstorms?

Cliff