AVCON RECEIVES FAA STC FOR HONEYWELL AEROSPACE REPLACEMENT EGPWS ON BOMBARDIER AND LEARJET AIRCRAFT
Approval provides a replacement path for Mark V computers using existing avionics racks OLATHE, Kan., Oct. 13, 2026 /PRNewswire/ -- Avcon Industries, Inc., a subsidiary of Butler National Corporation (OTCQX: BUKS), a leading manufacturer and systems integrator for special mission aircraft modifications, announces Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) approval of the installation of the Honeywell Aerospace MKV-A Enhanced Ground Proximity Warning System (EGPWS).