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To: acementhead who wrote (51005)	6/7/2009 12:12:16 PM
From: Metacomet	1 Recommendation Respond to of 218847

This fellow makes the point I was after somewhat more eloquently: "I have personally had the autopilot get me into trouble with regards to airspeed. Since I was in the loop, I checked my GPS speed which I always correlate with my airspeed taking known winds into account - (there probably was little wind where AF447 was since there is no jetstream there)) and I was able to quickly do what Airbus Industries is telling the pilots to do these days - if in doubt - fly it like a glider - that is, choose an attitude that they know is a safe one (for instance - drop the nose some 5 degrees) and in their case, an adequate and safe power setting (meaning - not too much, not too little...) Is the pitot tube the scapegoat in this story? Certainly! Next, the pilots will probably be indicted, as well as AF airline procedures. Why a 200 million dollar airplane has technology, software, etc. that controls its airspeed with a device designed around the year 1700 (Monsieur Pitot...) is beyond me. Modern commercial flight is all about making lighter airplanes with more flexible materials, so that they can fly farther, and with more passengers. The safety envelope has probably decreased with these aircraft, since the FBW engineering behind them has not caught up with the complexities of flexible structures. Think of the algorithms after thousands of years in the brain of a hawk or eagle as its flexible wings encounter the different air that they fly in." weathergraphics.com