About This File
FSX/P3D v4 Younkin Airshows Twin Beech C18S N9109R. The Beechcraft Model 18 aircraft is the most modified U.S.-certified aircraft design, with over 200 Federal Aviation Administration (FAA) approved Supplemental Type Certificates (STC's) on record for the aircraft. The C18S N9109R Younkin Airshows Twin Beech is regularly flown by Matt Younkin in scheduled day and night airshow performances. By Dave Carroll.