 |
| |||
| upper air route | |||
| маршрут верхнего воздушного пространства: 5 phrases in 3 subjects |
| Airports and air traffic control | 1 |
| Aviation | 2 |
| Military | 2 |
|
| |||
| upper air route | |||
| маршрут верхнего воздушного пространства: 5 phrases in 3 subjects |
| Airports and air traffic control | 1 |
| Aviation | 2 |
| Military | 2 |