Avidyne Corporation and Southern Star Avionics, LLC of Mobile, Alabama announced today that the Federal Aviation Administration (
FAA) has granted a Supplemental Type Certificate (STC) for retrofit of the Envision Integrated Flight Deck on a Cessna Model 414A, and adds the Cessna 400 series of piston twin-engine airplanes- including the 401(A,B), 402(A,B,C), 414(A), 421(A,B,C)--to the Approved Model List (AML) of aircraft authorized for retrofit of the Envision System.