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Old 23rd Apr 2011, 19:05
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Join Date: Jun 2009
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Age: 81
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AF 447 Search to resume (part2)

Part 1 of this thread can be found Here


Need some of you "bus" drivers to clue me in re: autopilot authority and inputs.

If the pitot-static inputs go tits up, what happens? The B-2 crash was a result of several sensors being filled with water and the jet tried to climb like hell just after WOW. Seems like an "attitude" control law would have helped those two guys.

So my theory all along is the pitot-static system went south and the crew didn't react properly and/or the autopilot didn't revert to an "attitude" mode. Sheesh. All of us that have flown into CB's or had a pitot-static ice problem and simply held attitude and didn't chase speed or altitude until we figured out our problem. Keep wings level and a semblance of level attitude.

In several instances I was glad that the Viper control laws were gee- command and roll rate. Let go of the stick and the jet would try to keep trim gee and zero roll rate. I have a hard time with all the "control laws" for the "bus". Glad I am not/ was not a pilot of the beast.
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