ModelC/N 206L Long Ranger News Innovative Bell 206L Exhaust Duct Repair 03-Aug-17 - Alpine Aerotech acquired a Transport Canada Repair Design Approval (RDA) for their comprehensive 206L Exhaust Duct Repair. List of Operators of 206L Long Ranger Years Model Org 1962- 206 Bell Helicopter 1979/?? DRF Luftrettung 1984- 206 Great Slave Helicopters 1985/97 206 Niagara Helicopters 1996- 206 Newfoundland Helicopters 1999- 206 Panther Helicopters Inc 2000- 206 Canadian Helicopters Ltd 206 Okanagan Helicopters 206 Government of Canada 206 Canadian Coast Guard 206 ERA Helicopters Global Distribution of 206L Long Ranger 35206l