HMD not showing for various aircraft outside of VR

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from the latest updates onwards, the circle from the Russian HMD planes is gone, and potentially the HMD from the F4 and F-16 are also gone, specifically outside of VR. at the same time, it started working flawlessly in VR. I reckon those two are connected in some way

you have to enable it by entering the multi-function menu, 6, then 8