Analysis of information sources in references of the Wikipedia article "圖波列夫Tu-154" in Chinese language version.
The Tu-154 operates in regions with not very good air traffic control and navigation equipment, and in very difficult weather conditions. The Tu-154 accidents include a number that have little relation to the aircraft.
The Tu-154 operates in regions with not very good air traffic control and navigation equipment, and in very difficult weather conditions. The Tu-154 accidents include a number that have little relation to the aircraft.
