I wish popular servers like Contention of GS would set their time to night occasionally.
>setting illumination levels is now part of the startup routine
>remembering to turn external light on for the airfield so nobody collides into you
>remembering that MSL is not the same as AGL, and you'd better set your target area's AGL into your baro alt if you don't want to add your own aircraft into the bomb salvo
>choosing between NVG and setting your screens appropriately, or bringing a TGP
>paying attention to your dials in a pitch-black fight, so you don't lose SA and not realize you're flying inverted towards the ground when you thought you were level
So on and so forth.

Also don't show own aircraft on F-10. Instead give every airfield TACAN and RSBN.