Emergency Procedures Level 2 - Critical Systems

Question 1

What is the normal regulated voltage output of Aletrnator 1?

Of Alternator 2?

Answer 1

Alternator 1: 28 Volts

Alternator 2: 28.75

Question 2

What is the Normal Distributive Flow from Alt 1?

Answer 2

1. Alt 1 to:
   
   1. Main Dist Bus 1, then subs to
      
      1. Main Bus 3
      2. A/C Bus 1
      3. A/C Bus 2
      4. Convenience Bus

Question 3

What is the normal distributive flow from Alt 2?

Answer 3

1. Alt 2 to
   
   1. Main Dist Bus 2, subs to
      
      1. Essential Dist Bus, subs to
         
         1. Essential Bus 1
         2. Essential Bus 2
      2. Main Bus 1, subs to
         
         1. Avionics Bus
      3. Main Bus 2
      4. Non-Ess Bus

Question 4

Indications of Alt 1 Failure:

Answer 4

1. ALT 1 Caution
2. LOW M BUS Caution
   
   1. Main Bus voltage drops to 24 volts (Bat Voltage)
3. BAT 1 Caution
   
   1. Bat 1 Discharging

Question 5

Describe Recommedned Load Shedding for Alt 1 Failure:

Answer 5

1. A/C
2. Landing Light
3. Yaw Servo
4. Convenience Power
5. EVS Camera

Question 6

Alt 1 Failure Response w/ If-Then:

Answer 6

1. Alt 1 Circuit Breaker - Check and Reset
2. Alt 1 Master Switch - Cycle
3. If: Does Not Reset:
   
   1. Alt 1 Master Switch Off
   2. Shed

Question 7

What are the indications of an Alt 2 Failure?

Answer 7

ALT 2 Caution Only

Question 8

Alt 2 Failure Response with If-Then:

Answer 8

1. Alt 2 Circuit Breaker: Check and reset
2. Alt 2 Master Switch: Cycle
3. If Alt 2 does not reset, then:
   
   1. Alt 2 Master Switch: Off
   2. Reduce Power Redundancy
   3. Avoid IMC or Night Flight as able

Question 9

What happens when Alt 2 fails?

Answer 9

Alt 1 will pick up all loads

Question 10

What happens when Alt 1 fails?

Answer 10

1. Batt 1 picks up loads (limited solution)
2. Resources in jeopardy:
   
   1. MFD Power Redundancy
   2. Landing Lights
   3. EVS Camera
   4. A/C
   5. Cabin Fan
   6. Conveneince Lights
   7. Convenience Power

Question 11

What happens when Alt 2 fails?

Answer 11

1. Alt 1 picks up all loads
2. Lessening of system redundancy