More useful stuff and and even if late it is still very helpful Vuk. Any idea of the khaki shade used on the Storch, also good to see I am not the only one drawing them with the cowling off!
__________________
If it ain't Harrier-ish, it ain't right
Got no clue. I found those profiles at wp.scn.ru (also many Storchs with cowlings off), and following pic is from the almighty airliners.net. Still, it doesn't look khaki to me