| English thesaurus | |||
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| A function of an approach control facility providing ATC service for departing IFR and, under certain conditions, VFR aircraft | |||
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Departure : 22 phrases in 10 subjects |
| Business | 2 |
| Chemistry | 1 |
| Commerce | 1 |
| Customs | 1 |
| Finances | 2 |
| General | 2 |
| Immigration and citizenship | 1 |
| Law | 9 |
| Mathematics | 1 |
| Transport | 2 |