A nice example of a post-war U.S. Army L-18 or L-21 (a re-engined and improved version of the J-3, the basis of the wartime L-4s)  in the aforementioned yellow finish.

In addition to their U.S. Army service, some of which were in Europe, some  were supplied to allies were later sold as civil aircraft throughout Europe. Others, once their military career was over, were used by flying clubs in American bases. After that service, again, many were surplused locally.

​​​​Don’t feel bad about the ID, many otherwise knowledgeable warbird enthusiasts don’t know the various Liaison types..either WWII types of the post-war models