Claim: The Beechcraft Model 50 Twin Bonanza, a utility aircraft manufactured by Beech Aircraft Corporation, had its last flight in November 15, 1949.
Evidence: The Beechcraft Model 50 Twin Bonanza is a small twin-engined aircraft designed by Beechcraft as an executive transport for the business market. Utility aircraft Beech Aircraft Corporation November 15, 1949 The Twin Bonanza was first flown on November 15, 1949 after rapid development, begun only in April of that year.