Butler National Announces Learjet 35/36 and Learjet 24/25 STC for ADS-B Compliance

August 3, 2016

Olathe, Kansas – Butler National Corporation (OTCQB: BUKS), a leading manufacturer and provider of support systems for commercial and military aircraft and a recognized provider of management services in diverse business groups including the gaming industry, announces Federal Aviation Administration (“FAA”) Supplemental Type Certificate (“STC”) approval to install the Butler National ADS-B(Out) avionics solution into the Learjet Model 24/25 and Learjet Model 35/36 series airplanes.