Butler Avionics STC’d for Learjet ADS-B In Install

Butler Avionics ADS-B solution in Learjet cockpit. Photo: Butler Avionics [Avionics Today 09-12-2016] The FAA has awarded a Supplemental Type Certificate (STC) to Butler National to install an ADS-B In avionics solution into Learjet Model 24, 25, 28, 29, 31, 31A, 35, 35A, C-21A, 36, 36A and Learjet Model…