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Old 15th Nov 2011, 14:00
  #275 (permalink)  
CONF iture
 
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Exactly! Some time ago someone (A33Zab, IIRC) explained that the stall warning stops because the ADR outputs AoA=0 when airspeed is <60 kCAS.
Ok thanks HN39, I think that is the post ?
Still, I don't get it as the AoA never reduced to 0 deg when speed was below 60kt and the warning stopped.

The way you write it (voluntary or not ?) as a binary system could make more sense to me :
  • ADR outputs AoA=0 if CAS below 60 : meaning no AoA data therefore no possible stall warning
  • ADR outputs AoA=1 if CAS above 60 : meaning AoA data therefore possibility for stall warning

It is also the way I understand it in the report :
When the measured speeds are below 60 kt, the measured angle of attack values are considered invalid and are not taken into account by the systems.

For the zero deg ... ?
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