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Old 6th May 2012 | 14:07
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che ci dō che ci dō!
 
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From: perdido en el corazon de la grande babilon
A320 FMGS des calculation in NPA
I couldn't find anything in the A320 FCOM concerning how the FMGS calculates the final descent profile in a NPA.
I believe final descent is calculated starting at MDA above either the RWY threshold or the MPA, whichever comes first, and going backward at the pubblished descent angle. This is why in certain "old style IAP" with MAP after the RWY, the FMGS' calculated descent profile has to be disregarded.
Did I get it right?
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