 |
| |||
| région de contrôle du Nord | |||
| 英语 词库 | |||
| |||
| A controlled airspace within the Northern Domestic Airspace NDA at FL 230 and above | |||
|
Northern Control Area : 2 短语, 1 学科 |
| 航空 | 2 |
|
| |||
| région de contrôle du Nord | |||
| 英语 词库 | |||
| |||
| A controlled airspace within the Northern Domestic Airspace NDA at FL 230 and above | |||
|
Northern Control Area : 2 短语, 1 学科 |
| 航空 | 2 |