PPRuNe Forums - View Single Post - Air Asia Indonesia Lost Contact from Surabaya to Singapore
Old 28th Jan 2015, 11:09
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Jet Jockey A4
 
Join Date: Jan 2008
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@ NigelOnDraft...

Not strictly true

If you turn off AP/ATHR and FDs (in fact FDs academic) then you should be flying "attitude and power". However, if you are in Normal Law, then auto-trim and protections are still present, and you are not commanding control surface movements, but performance changes that the computers action.

In Direct Law the computers are still between the stick and controls, but in a fairly dumb way (stick relates to control surface movement).

Alternate Law somewhere between.
I basically understand the 3 "Laws" of the Airbus.

Again I am asking, in "Normal Law" with all protections working, if you get caught in a 3000 feet/min updraft (for argument's sake) and you feel the aircraft is not reacting properly for what ever reason it (the aircraft's FCCs) think, can you just turn "OFF" the AP, AT and FDs and fly the darn thing to a pitch/attitude with a manual power setting on the engines to prevent or reduce the rate of climb or will the FCCs say tough luck pilot I'm still deciding what's best?
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