Bat Malfunctions

Question 1

What are the conditions that will cause a BAT BUS failure?

Answer 1

1. If the CWS circuit breaker on the BAT BUS has popped
2. If there is a loss to the actual BAT BUS
3. If the current limiter on the bat bus side has failed

Question 2

What are indications of the current limiter and/or an actual BAT BUS failure?

Answer 2

Illumination of the BAT BUS annunciator accompanied by multiple failures of items on the battery bus with their associated CWS annunciators being illuminated

Question 3

Should you reset the CWS circuit breaker if it is popped on the BAT BUS panel?

Answer 3

No

Question 4

Will landing gear and flap position indicators be powered with a BAT BUS annunciator illuminated?

Answer 4

No

Question 5

Will you be able to extend the landing gear normally with a BAT BUS failure?

Answer 5

No, you will have to use the emergency gear extension system

Question 6

With a BAT BUS, will the emergency flaps still work? If so, why?

Answer 6

Yes, because the emergency flaps are powered by the HOT BAT BUS and will extend as long as the main battery has not failed