Aburek Posted December 4, 2022 Share Posted December 4, 2022 Anyone else notice that about 10nm prior to descent in P DES the aircraft accelerates to M0.82 or so from .79 before TOD? In real life it does not do that. Link to comment Share on other sites More sharing options...
Deleted Account Posted December 5, 2022 Share Posted December 5, 2022 Heya! Do you have a specific route this happens on, or always? We had a report like this before, but I was never able to replicate it 😕 When are you arming P DES? Link to comment Share on other sites More sharing options...
Aburek Posted December 5, 2022 Author Share Posted December 5, 2022 Its consistent. I arm P.DES between 20-30nm prior to T/D, although ive done it earlier just to see if it makes a difference. I believe it is related to any STAR that has a 280KT constraint. It seems the aircraft will speed up to that prior to T/D when in actuality it should descend at the selected mach number and hold at the speed constraint once it reaches it in the descent. Link to comment Share on other sites More sharing options...
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