Looks good at the 10k-12k level as far as the prop strobing affect, but at the transition through 10k, ascending and descending, you definitely see a momentary blip.
The attached film shows it, especially in the external view mode. Looks like a film splice point.
To clarify, this is in the Capture the Flag arena with the cirrus cloud effect. No problem in the new Europe arena, no clouds yet.