Original question of slat and flap. The one cub I know that is a basic piper design but added slats and fowler flaps... I think you would be beat to...
One year flying to AK I looked at the map and noticed the Donjek river under me. I remember that name as a great sheep destination in Jacks travels....
My knowledge of actual models is slim, so you guys are mostly likely correct on the actual model. It was a military version, and restricted category...