Bell 212 Twin Huey (also known as the Twin Two-Twelve) is a two-blade, twin-engine, medium helicopter that first flew in 1968. Originally manufactured by Bell Helicopter in Fort Worth, Texas, United States, production was moved to Mirabel, Quebec, Canada in 1988, along with all Bell commercial helicopter production after that plant opened in 1986.
Bell 412 is a twin-engine utility helicopter manufactured by Bell Helicopter. It is a development of the Bell 212 with the major difference being the composite four-blade main rotor. Over 700 Model (including 260 by AgustaWestland) have been built.