The engine operating limits are as follows:
| Speed, Temperature and Time Limits (GE CF6-80) |
||||
|---|---|---|---|---|
| Operating Condition |
N1 | N2 | Max EGT | Time Limit |
| Ground Start | 750°C | Unrestricted | ||
| 870°C | 40 seconds | |||
| Low Idle | 19.8 min | - | - | Unrestricted |
| Max Cont (Amber Band) |
tbc | tbc | 925°C | Unrestricted |
| Takeoff (Red Line) |
117.5 | 112.5 | 960°C | 5 mins |
|
Boeing Maintenance Manual