| Position |
Description |
| A |
Start of takeoff roll. |
| B |
Liftoff |
| C |
Start of first constant climb. |
| D |
Start of thrust reduction. |
| E |
Start of second constant climb. |
| Ec |
Start of second constant climb on corrected flight
path. |
| F |
End of noise certification takeoff flight path. |
| Fc |
End of second constant climb on corrected flight
path. |
| G |
Start of noise certification approach flight path. |
| Gr |
Start of noise certification approach on reference
flight path. |
| H |
Position on approach path directly above noise
measuring station. |
| I |
Start of level off. |
| Ir |
Start of level off on reference approach flight
path. |
| J |
Touchdown. |
| K |
Takeoff noise measuring station. |
| L |
Sideline noise measuring station (not on flight
track). |
| M |
End of noise type certification takeoff flight
track. |
| N |
Approach noise measuring station. |
| O |
Threshold of approach end of runway. |
| P |
Start of noise type certification approach flight
track. |
