Olathe, Kansas – Butler National Corporation ($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 its financial results for the fourth quarter fiscal 2016 and year ended April 30, 2016. In conjunction with the release, the Company has scheduled a conference call Friday, July 29, 2016 at 9:00 AM Central Daylight Time.