PPRuNe Forums - View Single Post - AF 447 Thread No. 12
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Old 16th Jun 2014, 20:36
  #102 (permalink)  
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Join Date: Jun 2009
Location: florida
Age: 81
Posts: 1,611
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Alt 1 and Alt 2

Salute!

O.K., 'bird. I thot the jet was in Alt 1. So Alt 2 is a different beast WRT roll commands and aircraft reactions.

It still bugs me that I have to figure out exactly what law I am operating with.

Seems to me that "stby gains" ( gear up or gear down values) and basic gee commands/protections and AoA inputs should have saved the day. Then there are all the inertial/rate sensors that don't need a single atmospheric input.

When I talk about the various modes, I am talking about limits on max bank angle, max pitch, max gee, ,max AoA, etc. Then there are the control surface rates that depend upon "Q" - the "gains".

Oh well, the AF447 tragedy shall remain the "poster child" concerning airmanship and aircraft software implementaion for at least a few more years.
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