 |
| |||
| mid-air (Ivan Pisarev) | |||
| в воздушном пространстве: 95 phrases in 15 subjects |
| Airports and air traffic control | 1 |
| Astronautics | 11 |
| Aviation | 36 |
| Construction | 2 |
| Fish farming pisciculture | 1 |
| Foreign affairs | 1 |
| General | 10 |
| Law | 1 |
| Makarov | 2 |
| Meteorology | 1 |
| Military | 25 |
| Military aviation | 1 |
| Mining | 1 |
| Space | 1 |
| Technology | 1 |