Clear aircraft at altitudes according to the TBL 4-5-1.
Aircraft Operating | On course degrees magnetic | Assign | Examples |
---|---|---|---|
Below 3,000 feet above surface | Any course | Any altitude | |
At and below FL 410 | 0 through 179 | Odd cardinal altitude or flight levels at intervals of 2,000 feet |
|
180 through 359 | Even cardinal altitude or flight levels at intervals of 2,000 feet |
|
|
Above FL 410 | 0 through 179 | Odd cardinal flight levels at intervals of 4,000 feet beginning with FL 450 |
|
180 through 359 | Odd cardinal flight levels at intervals of 4,000 feet beginning with FL 430 |
|
|
One way routes (except in composite systems) | Any course | Any cardinal altitude or flight level below FL 410 or any odd cardinal flight level above FL 410 |
|
Within an ALTRV | Any course | Any altitude or flight level | |
In aerial refueling tracks and anchors | Any course | Altitude blocks as requested. Any altitude or flight level |
|
In aerial refueling tracks and anchors | Any course | Altitude blocks as requested. Any altitude or flight level |
|