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AVCON RECEIVES FAA APPROVAL FOR CESSNA CARAVAN SINGLE CAMERA PORT [Yahoo! Finance]

BUTLER NATL CORP  (BUKS) 
NASDAQ:AMEX Investor Relations: butlernational.com
PDF March 30, 2026 /PRNewswire/ -- Avcon Industries, Inc., a subsidiary of Butler National Corporation (OTCQX: BUKS) and leading manufacturer and systems integrator speciali [Read more]