| . | When can
the ground service bus be powered?
|
 |
On the ground. |
 |
In flight. |
 |
Both A & B. |
 |
Only when
the APU is running. |
757/767/ Review Questions
| . | When can
the ground service bus be powered?
|
| |
On the ground. |
| |
In flight. |
| |
Both A & B. |
| |
Only when
the APU is running. |