*RVSM Standby Altimeter Fix and Attitude Indicator Replacement FAA Approved for Learjets*
NEW CENTURY, KANSAS, July 9, 2024 – Butler National Corporation (OTCQX: BUKS), a leading manufacturer and provider of support systems for commercial and military aircraft and a recognized provider of management services in the gaming industry, announces the issuance of a Federal Aviation Administration (“FAA”) Supplemental Type Certificate (“STC”) approval of a replacement 2-inch standby altimeter and separate standby attitude indicator into the Learjet Model 24, 24B/D/E/F, 25, 25B/C/D/F, 28, 29, 31, 31A, 35, 35A, C-21A, 36, 36A, 55, 55B, 55C and 60 airplanes.
The FAA STC approval, STC Number ST01138DE authorizes the replacement of either or both of the 2-inch standby altimeter or 2-inch standby attitude indicator installed in most legacy Learjet airplanes. The Avcon/Butler Avionics installation package and kit replaces the previously-installed standby equipment with the Mid-Continent Instruments and Avionics MD23 2-inch Digital Counter Drum Encoding Altimeter and Attitude Indicator.
For more information, contact:
Patrick Hupp
913-829-4606