Electrical

Question 1

What does the Hot Battery Bus supply power to?

Answer 1

Passenger advisory lights
Ignition power
Voltmeter (inop if battery switch is off)
Emergency Exit lights
ELT
Emergency battery pack
Tailcone compartment lights
Baggage compartment lights (fore/aft)

PIVEEET B

Question 2

What are the different ways to charge the Battery?

Answer 2

• From SGs: Battery switch must be in BATT position
• From GPU: Any battery switch position will allow charging

Question 3

What are all of the things supplied by the Emergency Bus?

Answer 3

• Comm 1
• Nav 1
• Overhead Flood
• Flap Control
• Audio Panels
• Voltmeter
• Gyro (Standby)
• RH Pitot Heat
• AHRS (Copilot)
• Standby Airspeed/Altimeter
• HSI (Standby)

CNO FAV GRASH

Question 4

At what temperature tiggers the BATT OHEAT annunciator?

Answer 4

145-160

Question 5

At what temperature tiggers the BATT OHEAT annunciator to start flashing?

Answer 5

160+

Question 6

What are the three jobs a GCU does?

Answer 6

1. Control:
   Starter cutoff
   Voltage regulation
   Load sharing
2. Protect:
   Overvoltage
   Reverse current
3. Recover:
   Field relay reset