This what we get so far using the method descibred in this post:
Is a very clever solution by Florian, that let the player have NVG only when he selects them, nothing is visible from outside the plane and I think the results are really worth it. The work is by Florian and I tested it, the only drawback is that we need the 3d MAX sourcecode for the cockpits in order to include this type of NVG. So I use this post and video to request the people that have those files to please share us with Florian or me, or to contacxt us to instructions of how to add those NVG. I'm thinking in planes like the Hornets, Vipers, Strike Eagles...