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Guest martinneep

744 VNAV descent problem

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Guest martinneep

Having trouble getting the queen to transit from VNAV CRUISE to VNAV DESCENT. I was under the impression that if you select DES NOW, prior to reaching TOD, the aircraft will maintain 1000fpm and TGT speed until intercepting the idle descent profile.But when I try to execute an early descent, the engines wind back to idle, the aircraft pitches down and the descent profile indicator races up. Next the aircraft levels off, and the speed falls back to just above 250Kts. Then the engines scream up to CRZ limit in order to regain the speed, and the aircraft maintains level flight until intercepting the profile.What am I doing wrong?????????????????Martin Neep.

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Guest D17S

It's a Bug. You're fine. The airplane is broke (We've been 'round the block in this one). Maybe it will be addressed in the concurrently released patch for the PAX bird that will include all the system fixes the freighter will be gettin'. (Nudge, nudge)

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