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Navigational Errors w/Autopilot: GTN 750

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I have just updated to P3D v4.3 and RXP GTN v 2.5.2.

GPS based navigation is no longer working properly; on a 'Direct-To" course the aicraft will fly as much as 50 degrees off of heading. The aircraft appears to initially track on course but soon thereafter begins to drift. I am in OBS mode, with NAV selected as the lateral mode on the autopilot.

Approach sequencing is no longer working, either. Aircraft proceeds past Fly Over or Fly By waypoint.

This is demonstrated on two Milviz aircraft - the DHC-2 and C310R Redux. Also with A2A's C-182. Screenshots attached.

Thoughts?

16awubt.jpg

23l19uh.jpg

2daf5uh.jpg

Edited by snpower

ATP BE300 BE400 CE500 CE560XL DA20 MU300

Jean-Luc is working on an update for 4.3.

 

 

  • Author

Ok! Will stand-by.

ATP BE300 BE400 CE500 CE560XL DA20 MU300

Yes this is expected with every new P3D4 release: you'll have to wait for a GTN (and GNS V2) update to restore the A/P.

This is one of the necessary hack because the SDK is not offering enough external controls for this. Our FltSim products have many other internal hacks but these are self-aware when any new version comes up. The A/P hack is the only one remaining but we are starting to have ideas to also make it self-aware for future P3D4 updates, so that you won't have to wait for a RXP update, nor we'll have to work on such update either!

Edited by RXP

  • Author

That is informative, and one reason to wait to update P3D!

ATP BE300 BE400 CE500 CE560XL DA20 MU300

Usually it takes us only a couple hours to update the code and package an update, only this time, both our GTN and GNS V2 code base were right in the middle of many file changes because of the integration we are actually working on with our upcoming G500/600. It just took more time to finish ongoing work on the G500/600, to restore the code base to a 'sane' state and to issue the update, which is now live!

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