FAA Approves Butler STC for Rockwell Collins AHC-3000A Retrofit in the Learjet 60

Olathe, Kansas – Butler National Corporation (OTCQB: BUKS), a leader in the growing global market for aircraft structural modification, maintenance, repair and overhaul (MRO) and a recognized provider of management services in diverse business groups, announces it’s subsidiary, Avcon Industries, Inc, received Federal Aviation Administration (“FAA”) approval of the installation of the Rockwell Collins AHC-3000A Attitude Heading Reference System into the Learjet Model 60. The STC retrofit package will be offered through Butler National’s subsidiary Butler Avionics, Inc.

Avcon Industries, a wholly-owned subsidiary of Butler National Corporation, also offers the STC.