Safran Engineering Services is developing with Duncan Aviation of Lincoln (Nebraska), an approved model list supplemental type certificate (AML-STC), for automatic dependent surveillance-broadcast “Out” (ADS- B Out), using the Rockwell Collins TDR-94D transponder. Safran Engineering Services and Duncan Aviation are responsible for the design, development, integration, testing and certification of the AML-STC for the ADS-B Out FAA-mandated requirement. The Safran Engineering Services ADS-B Out AML-STC solution will initially cover the Bombardier Challenger 601-3A/3R, Learjet 60, Gulfstream G100, G200 and the Textron Hawker 800 series.