https://en.wikipedia.org/wiki/Swearingen_Merlin
The Swearingen Merlin or the Fairchild Aerospace Merlin is a pressurized, twin turboprop business aircraft first produced by Swearingen Aircraft, and later by Fairchild at a plant in San Antonio, Texas.
Merlin IIIB Extreme Flight Tour (in 4K)

Fairchild Swearingen Merlin IIIB Tour