Electrical Flashcards
1
Q
What power sources are available in flight?
A
Left and Right IDGs and the APU generator
2
Q
What additional power source is available on the ground?
A
External power
3
Q
Which two conditions cause the BUS TIE ISLN light to illuminate?
A
Switch is OFF, or a fault
4
Q
Which bus normally powers the Captains flight instruments?
A
The left main AC bus
5
Q
What powers the captains flights instruments if this bus fails?
A
The right main AC bus
6
Q
Which switch selection would prevent this transfer?
A
The left bus tie switch at OFF
7
Q
Do the first officers instruments have a transfer system?
A
Yes
8
Q
Which units normally power the left and right DC buses?
A
The left TR and right TR
9
Q
Name the aircraft batteries?
A
Main and APU batteries
