[CAN NOT REPRODUCE]Pitch Ladder Off Centre

[045]

I am unable to attach a track yet as they're all too large, but maybe someone else has encountered this as well.

 

This has happened to my brother and I both now. We first noticed when trying to keep combat spread we noticed my heading was wrong. We then flew a close trail so I could try an In-Flight Alignment, entering the correct heading. Once the process was complete, my pitch ladder rotated off to the side, almost as if it was facing the original heading that my jet incorrectly reported.

 

We have noted that this bug also occurs with the bug already reported concerning gross waypoint distance errors. When it occurred for me we hadn't noted my incorrect heading tape until well into our flight. When it happened for my brother, we noted his heading after INS alignment was wrong right from the ramp start. Multiple attempts at realignment, using both stored heading and normal alignment, and ensuring we weren't rearming or moving during the process failed to correct the heading. He then entered the correct heading during alignment, which lead to the pitch ladder problem.

 

I will attach a track file if we can reproduce in one that isn't too large. So far it has only occurred on the Hoggit Georgia at War server. Sorry that this is sort of a double error post, but without an appropriate track I can't narrow it down further. Hopefully someone has a track they can contribute.

Edited September 27, 2020 by 045
Forgot to finish explanation.

[Frederf]

Correct behavior. pitch ladder is centered on the FPM. What were the winds? Try drift cutout option to center FPM in HUD (FPM no longer shows true path of motion).

[045]

This is completely independent of the wind, which has always been relatively minor. As I said the flight path marker and pitch ladder appear latched onto the original, incorrect heading that the jet had. I also said it only occurs after doing an In-Flight Alignment. If I could attach a track I do not think you would think this is correct behaviour. If you turn your aircarft enough, the pitch ladder and marker will be completely out of view. I should have mentioned that before.

[BIGNEWY]

We would need to see a track replay to investigate.

 

I have not reproduced in my testing.

 

thanks

[Frederf]

This is completely independent of the wind, which has always been relatively minor. As I said the flight path marker and pitch ladder appear latched onto the original, incorrect heading that the jet had. I also said it only occurs after doing an In-Flight Alignment. If I could attach a track I do not think you would think this is correct behaviour. If you turn your aircarft enough, the pitch ladder and marker will be completely out of view. I should have mentioned that before.

 

The pitch ladder being centered on the FPM (even if the FPM completely leaves the HUD) is correct behavior.

 

What seems to be your issue is that the FPM isn't at the true position of motion due to an issue with INS alignment.

[Bouli306]

Is inflight alignment even incorporated already?

[Machalot]

I had an issue a few months back where the magnetic deviation files had become corrupted and was resulting in huge alignment errors (30-45 deg) in both ground align and in-flight align. Thread: https://forums.eagle.ru/showthread.php?t=284194

 

I was able to repair it by deleting all the contents of Saved Games\DCS.openbeta\Data\MagVar\TabularData. That is where the corrupted files were located. This forced DCS to rebuild the magnetic deviation files on the next map load.

 

Maybe this will help you.

Edited October 3, 2020 by Machalot