Butler National Corporation Announces Learjet 60 ADS-B Compliance STC

November 5, 2015

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 that its subsidiary, Butler Avionics, Inc., has received a Federal Aviation Administration (“FAA”) Supplemental Type Certificate (“STC”) approval of the installation of its ADS-B(Out) avionics solution into the Learjet Model 60.