 |
| English thesaurus | |||
| |||
| An air space of defined dimensions within which restrictions to the flight of aircraft may exist at specified times. (FRA) | |||
| caution: 5 phrases in 3 subjects |
| General | 3 |
| Microsoft | 1 |
| Rail transport | 1 |
|
| English thesaurus | |||
| |||
| An air space of defined dimensions within which restrictions to the flight of aircraft may exist at specified times. (FRA) | |||
| caution: 5 phrases in 3 subjects |
| General | 3 |
| Microsoft | 1 |
| Rail transport | 1 |