[kurlannaiskos]

Originally Posted by Pilot

I have to check out for correct sources but some more then decade ago one researcher in Russia published article about the VVS camouflage and markings and he state that due to the use of the IR cameras by Luftwaffe, Soviet changed camouflage into the "undefined type" [sorry for bad translation] and the form of airplane due to this scheme is not easy to spot in IR films. That change in camouflage happen in 1942.

If this is of interest I will find source of this info.

Yes , I would be very interested in such information.
(even if it is still in Russian)
the date of 1942 suggest the switch from AII to AMT finishes.