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fjsharry

Does anyone notice VNAV get irregularity after SP1

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Few minutes ago i fly short trip,before reach T/D point is normal,but when close to T/D then i notice T/D point was irregularity move on plan route,like advance、retreat、advance、retreat......And during approach with VNAV path,VNAV path point get same irregularity move, up down up down.....Has any one notice?


Jia-Hsing Fu

 

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Just flew KMDW - KMCI in the 700, saw no problem at all with VNAV. Descent ondown to a full autoland was flawless. I'm SO happy :)


Jack F. Vogel, Delta Virtual Airlines

 

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Few minutes ago i fly short trip,before reach T/D point is normal,but when close to T/D then i notice T/D point was irregularity move on plan route,like advance、retreat、advance、retreat......And during approach with VNAV path,VNAV path point get same irregularity move, up down up down.....Has any one notice?
T/D is based on a mathematical calculation involving variables, so sometimes it will occasionally shift if these variables change during cruise.

Shane Gavin

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I believe Ryan said this was one of the minor irregularities that they couldn't quite fix 100%, the TD point is fluid and is effected by a myriad of variables, the dodgy FSX weather engine being one large contributing factor.


Cheers, Andy.

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But before install SP1,those T/D point and VNAV path point is very normal.


Jia-Hsing Fu

 

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I fly more time,seem never happen again,so i guess it's some kind of fix...


Jia-Hsing Fu

 

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