https://rotor.org/transport-canada-ad-bell-helicopter-textron-canada-limited-model-429-helicopters-serial-numbers-57001-through-57401/ The global leader in leveraging, innovating, advocating, and expanding vertical flight Tue, 08 Jun 2021 20:02:30 +0000 hourly 1 https://wordpress.org/?v=6.2.2