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| έλεγχος προσέγγισης | |||
| σύστημα χειρισμού των σημάτων κατά την προσέγγιση προς αυτά | |||
| English thesaurus | |||
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| Air traffic control service for arriving or departing controlled flights. | |||
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Approach Control : 14 phrases in 6 subjects |
| Commerce | 3 |
| Communications | 2 |
| General | 2 |
| Mechanic engineering | 1 |
| Technology | 1 |
| Transport | 5 |