Originally Posted by
BOAC
I again see "16 degrees of pitch" mentioned at FL380. Where is this published? I see only increasing through 10 in the climb. People again confusing pitch and AoA I fear. We do not know the pitch attitude at FL380. Garbage in = garbage out, as they say.
At 2 h 10 min 51 , the stall warning was triggered again. The thrust levers were positioned in the TO/GA detent and the PF maintained nose-up inputs. The recorded angle of attack, of around 6 degrees at the triggering of the stall warning, continued to increase. The trimmable horizontal stabilizer (THS) passed from 3 to 13 degrees nose-up in about 1 minute and remained in the latter position until the end of the flight.
Around fifteen seconds later, the speed displayed on the ISIS increased sharply towards 185 kt; it was then consistent with the other recorded speed. The PF continued to make nose-up inputs.
The airplane’s altitude reached its maximum of about 38,000 ft, its pitch attitude and angle of attack being 16 degrees.
(source:
http://www.bea.aero/fr/enquetes/vol....mai2011.en.pdf)