The Cessna 337 Skymaster is a twin-engine civil utility aircraft built in a push-pull configuration. Its engines are mounted in the nose and rear of its pod-style fuselage. The combined tractor and pusher engines produce centerline thrust and a unique sound.(Wikipedia) Exclusive features Scroll wheel support Includes improved default X-Plane GNS430. Plugin-enhanced - FPS-optimized model. DDS textures for faster load times and optimization New plug-in controlled 3D sounds Features HD quality textures (2048 x 2048). 3D gauges. Original HQ digital stereo sounds recorded directly from the real aircraft. 2D windows: Cameras (for setting different cameras and field of view) and Options (for opening pilot and baggage doors, making invisible windows reflections, statics...