 |
| English thesaurus | |||
| |||
| The area within 10 mi. of an airport without a control tower or where the tower is not in operation, and on which an FSS is located. | |||
| airport advisory: 1 phrase in 1 subject |
| Transport | 1 |
|
| English thesaurus | |||
| |||
| The area within 10 mi. of an airport without a control tower or where the tower is not in operation, and on which an FSS is located. | |||
| airport advisory: 1 phrase in 1 subject |
| Transport | 1 |