Ulan-Ude. 14 February 2022. By the end of 2021, the total flight time of helicopters under warranty maintenance and servicing produced by the Ulan-Ude Aviation…
Ulan-Ude. 14 February 2022. By the end of 2021, the total flight time of helicopters under warranty maintenance and servicing produced by the Ulan-Ude Aviation…