I just picked up these 2 guys and am trying to find out more information on them
http://www.flickr.com/photos/[email protected]/12914998824/
http://www.flickr.com/photos/[email protected]/12914643563/
The yak-40 has a sign on the stand the says "rk-40" with a backwards r that I havent seen on another model of that size. The gulfstream I think is a precise models but I can find very little information about them. ANy help would be greatly appreciated.