[dimlee]

Try deactivate "swastika mode", whatever that is (Hakenkreuz?).

Tell some more:
What servers?
What plane?
What markings (Air Force), and how do you know they were "OK"?

Servers:
sky road 88.83.197.201:21000 Me-262HG, Ar-234.
war clouds 204.80.88.43:21000 Me-210, FW-190D
zeke vs wildcat 69.90.34.220:21005 B6N2
(on 'zeke' I didn't check invisibility, but ground score problem persisted).
There were couple other servers, don't remember now.

Markings - according to planes above, i.e. LW, IJN, etc. I checked in menu to make sure they are correct. Not sure about squadrons.

Will try again with Hakenkreuz deactivated in 3-4 days.