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Old 25th Feb 2009, 23:08
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uncle_maxwell
 
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stall warning & recovery on 737NG

Not suggesting that this is what happened or that it was a factor in this accident, but someone mentioned the possibility of A/THR not set and the a/c stalling due to high pitch / low speed condition.

Could someone that is current on the 737NG please clarify some what-if questions:
(a) Assuming you have auto-pilot (or both) engaged but not A/THR, airspeed gets to low and you enter or approach a stall, what would the aircraft do or not do itself if the pilots did nothing? Is there something similar to Airbus' alpha floor on them Boeings?
(b) Does the autopilot disconnect when the stall warner goes off?
(c) What is the standard procedure for stall recovery in landing configuration and at low altitude on the 737NG?
(d) As a [very] rough guess, what ball park range of altitude loss are we talking about assuming that recovery actions are performed as soon as the stall warner goes off given their configuration and prevailing conditions?

Thx for your help!
Uncle Maxwell
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