| 10 NM provided that the leading aircraft maintains a true airspeed of 20 kt or more faster than the succeeding aircraft. |
| 10 NM provided that the leading aircraft maintains a true airspeed of 10 kt or more faster than the succeeding aircraft. |
| 20 NM provided that the leading aircraft maintains a true airspeed of 10 kt or more faster than the succeeding aircraft. |
| 10 NM provided that the leading aircraft maintains a true airspeed of 40 kt or more faster than the succeeding aircraft. |
EN 