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Vapor/ vortex effects - what are the preconditions?

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Hi, only once I had a condensation effect on the wings and I am not able to reproduce it, no matter how I change the weather conditions.

Any insight on that would be nice.

  • Staff
7 hours ago, A340iB-2025 said:

Hi, only once I had a condensation effect on the wings and I am not able to reproduce it, no matter how I change the weather conditions.

Any insight on that would be nice.

I'll inquire about the conditions required, just to verify Performance modes are disabled in the EFB?

  • Author
On 4/24/2026 at 5:20 PM, IniJamir said:

I'll inquire about the conditions required, just to verify Performance modes are disabled in the EFB?

Hi, I confirm, FX Performance Mode is on in the EFB.

I see nothing but the vortex of the inner engines during initial spool up.

No condensation, KDFW (26/23/ 84% humidity), VHHH_29C over 23C).

  • Staff
10 hours ago, A340iB-2025 said:

Hi, I confirm, FX Performance Mode is on in the EFB.

I see nothing but the vortex of the inner engines during initial spool up.

No condensation, KDFW (26/23/ 84% humidity), VHHH_29C over 23C).

Hi, in the EFB, tick the setting off, the way it works is if you have FX Performance Mode On, then it will remove these FX. If you have it disabled or unticked/off. Then it will be enabled and you should see the effects. the threshold should be based on humidity btw

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