February marked the 40th anniversary of the maiden flight of the Messerschmitt Boelkow Blohm BO-105 near Munich, Germany. Called the world’s first light twin-engine helicopter, it had a four-blade system that gave it maneuverability and was the foundation of the German helicopter industry. Before production of the helicopter ended in 2001 and was superseded by the EC135 of MBB successor Eurocopter, more than 1,400 BO-105s had been delivered to 55 countries. In 1977, the German defense ministry selected the BO-105 as a light utility helicopter.
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