Random System Queations

Question 1

When you walk into a cold, dead airplane, what are your first steps towards applying electrical power?

Answer 1

BATTery switch ON, STBY PWR SELector to AUTO.

Question 2

What buses are powered after turning the battery switch on?

Answer 2

Hot battery, battery, standby AC and standby DC

Question 3

What three things will cause the Fuel Config light to illuminate?

Answer 3

1. 900 kg (plus or minus 200 kilograms) main tank imbalance
2. 500 kg or more in the centre tanks with centre fuel pump switches are OFF
3. EICAS caution message LOW FUEL is displayed.

Question 4

What is a quick way to confirm the loss of the Standby busses?

Answer 4

AC Bus - loss of the flood lights
DC Bus - loss of the standby altimeter

Question 5

What is important about the Ground Service Bus?

Answer 5

The Battery Charger receives its power from it.