 |
| |||
| cruising level; cruise altitude; cruising height | |||
| cruising altitude | |||
| operating height; operational height; operational altitude | |||
| крейсерская высота: 38 do fraz, 7 tematyki |
| Aerohydrodynamika | 1 |
| Astronautyka | 3 |
| Fizyka | 1 |
| Lotnictwo | 15 |
| Meteorologia | 2 |
| Technika i technologia | 5 |
| Wojskowość | 11 |