Butler National Receives FAA Approval of Learjet Accelerometer

April 26, 2017

OLATHE, KANSAS – Butler National Corporation (OTCQB: BUKS), a leading components manufacturer and service provider for commercial and military aircraft and a recognized provider of management services in the gaming industry, announces Federal Aviation Administration Supplemental Type Certificate issuance and Parts Manufacturing Approval of a new vertical accelerometer for Learjet airplanes.

Incorporating new technologies, Butler National designed, manufactured and obtained Federal Aviation Administration Supplemental Type Certificate (STC) approval of a replacement vertical accelerometer for use by the autopilot on the applicable Learjet Model 31/35/35A/36/36A/C-21A and 55 Series airplanes. The replacement accelerometer is approved for installation under STC number ST02515SE.