 |
| radio navigation: 114 phrases in 21 subjects |
| Airports and air traffic control | 1 |
| Astronautics | 6 |
| Aviation | 9 |
| Communications | 1 |
| Ecology | 1 |
| Electronics | 3 |
| General | 3 |
| Geophysics | 2 |
| Gyroscopes | 1 |
| Makarov | 3 |
| Meteorology | 1 |
| Military | 39 |
| Missiles | 5 |
| Nanotechnology | 2 |
| Nautical | 5 |
| Navigation | 6 |
| Oil / petroleum | 1 |
| Physics | 3 |
| Radio | 1 |
| Shipbuilding | 1 |
| Technology | 20 |