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have them. the progression of radar. radar is now almost obsolete because it can only see out to about 200 miles. primary and secondary radar that used transpoureders. automated surveillance broadcast system is coming in to replace radar and be able to track these airlines around the world. now we re only just talking about being able to track an airliner across ocean flights. that s only happening right now. when we re looking at completely removing pilots from the cockpit, we re talking 20, 30, 40 years down range. the other aspect is automatic systems are great up till the point something goes wrong. i don t believe we have the systems that can indicator for every single eventuality. air france 447 is a classic example. the pitot tube iced over and there was all sorts of rememberious readings in the cockpit. would the automated systems have been able to detect what mother nature was throwing at it, override the system and do it. humans couldn t.
may have been functioning properly because there have been questions about that in the past. there have been. pitot tubes are located you ll see them on planes as you get onboard. you can see them down here. that s what a pitot tube looks like. they are heated so they won t freeze over. when that happens, this measures how fast you are moving through the air. when that happens, the pilots are not so sure how fast they are moving and that can change many things. mary has been talking today about angle of attack. the truth is pilots have to rely on instrumentation to tell them if they are angled up or if they re angled down, what speed they re traveling. as mary noted, you get close to the mountains and you would think someone would be able to look and see it then. if they believe that they are well up above that until that critical moment, maybe they just don t know. all of that, i must say angle of attack, what it affects is
well yes, i think we ve always said it seemed to be a weather-related issue, and i m quite sure it is a bit of icing, especially of the airspeed indicator, which is called a pitot tube. there s a french incident a while back and the authorities actually put it down to that. in fact there is a directive out that was issued last october asking that a different form of this tube a morrow bust version should be installed. so not too sure whether or not this particular aircraft did have the updated pitot tube. this might be one of the problems. of course if this is sending incorrect information, like all computer systems, rubbish in rubbish out. so it s sending incorrect commands which although there is software on board which will try to correct the incorrect commands but who knows.
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