Planes speed decreasing in cruise

Bug Reporting Hub Aircraft & Systems
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1

Description of the issue:
had this issue with a few planes in MSFS 2024. so far its been the Fenix A321, ini A330, ini A21N and the beluga. at crz its all normal but randomly my speed just starts to decrease. anyone know why? ive always been at OPT crz level, ive tried throttles in TOGA and my weights are fine.

If applicable, which aircraft is experiencing this issue:
Fenix 320 series , ini a330 and A21N so far

[PC Only] Did you remove all your community mods/add-ons? If yes, are you still experiencing the issue?
yes

FREQUENCY OF ISSUE

How often does this occur for you (Example: Just once, every time on sim load, intermittently)?
random. not always but id say about 5 times so far

REPRODUCTION STEPS

Please list clear steps you took in order to help our test team reproduce the same issue:

1.start flight
2. climb to crz
3. not sure why it happens

YOUR SETTINGS

If the issue still occurs with no mods and add-ons, please continue to report your issue. If not, please move this post to the User Support Hub.

What peripherals are you using, if relevant:
Thrustmaster TCA Airbus sidestick and whole throttle pack, Thrustmaster Boeing yoke and thrustmaster T-Flight rudder pedals.

[PC Only] Are you using Developer Mode or have you made any changes to it?
no

[PC Only] What GPU (Graphics Card) do you use?
4070ti

[PC Only] What other relevant PC specs can you share?
i9-13900k
32gb ram
2tb storage with 50gb left

MEDIA

Please add a screenshot or video of the issue occurring.
n/a

2

heres a video of it happening. it happens slowly but not sur why. (sorry the videos are fast). this was a flight from MNL-HKG in the ini A330-300 RR when i got hit by a weather spike and it started. only difference here was this time i could put my throttles to TOGA and the speed would increase

3

I have the Same problem with any plane in the sim. It happens randomly and about every 5-10th Flight. Throttle is at 90% and plane gets slower and slower no chance to recover it. It happend with many planes to me now. Fenix A320, ini A330, ini A320N and ini A330N. I think it has to do with the sudden Weather changes of the Live Weather, that sometimes also crash into the Plane so much, that the AP disconnects. I didnt find any solution. I hope Asobo will adress this Bug. It destroys the flight cause you cant do anything until the Plane starts stalling…