Sovereign Pneamatic System

Question 1

What systems require Bleed Air to function?

Answer 1

1. Service Air
2. Ice Protection (cowl,stator,horizontal stab,wing)
3. Air Conditioning
4. Pressurization
5. Baggage Heat
6. Rudder Bias

Question 2

What Systems Bleed Air require pre-cooling prior to use?

Answer 2

Environmental
Wing and Stab Anti-ice
Service Air

Question 3

What does the NORM position on the BLEED AIR Panel do?

Answer 3

Provides LP Bleed and HP Bleed augmentation depending on demand and TLA position

Question 4

Which throttle will cause the acoustic seal to deflate?

Answer 4

Left throttle to Cutoff

Question 5

What are the 6 zones of the Bleed Air Leak Detection System?

Answer 5

Wing L/R
Bleed Supply L/R
Stab Anti-ice
ACM

Question 6

What Systems use Service Air?

Answer 6

Acoustic Door Seal
Vacuum Ejector for the control of the Outflow Valves
and on older models Rudder Bias Heat

Question 7

In what position do the Mass Flow Valves fail?

Answer 7

Open

Question 8

How can you test the Bleed Leak Detection System?

Answer 8

Rotary Test

Question 9

Where does the Bleed Air for the Baggage Compartment come from?

Answer 9

The Left Engine via the Left Mass Flow Valve

Question 10

Does anything happen automatically when a Bleed Leak is Detected?

Answer 10

Yes, respective zones are isolated automatically

Question 11

From which stage is LP discharged?

Answer 11

P2.5

Question 12

From which stage is HP discharged?

Answer 12

P3

Question 13

How do the HP valves fail with loss of Main DC Bus power?

Answer 13

Open

Question 14

How can pilot control HP or LP Bleed?

Answer 14

Automatically via TLA or Manually on the Bleed Air Control Panel

Question 15

At what temperature is the Baggage Compartment heated?

Answer 15

70 to 100F

Question 16

What does the Mass Flow Valve do?

Answer 16

Controls Bleed Air flow to the ACM

Question 17

What is the APU Bleed Air used for?

Answer 17

Environmental and Service Air

Question 18

What happens when you move the Pressure Source Selector to OFF?

Answer 18

Closes the Mass Flow Valve

Question 19

Can you affect Engine Anti-ice by moving the Engine Bleed Air Selector to OFF.

Answer 19

No

Question 20

Can you use HP and LP at the same time?

Answer 20

Check valves prevent it

Question 21

What is a Bleed Air O’TEMP usually an indication of?

Answer 21

Problem with Pre-Coolers

Question 22

When will the EMER Pressure be activated?

Answer 22

1. Manually
2. ACM O’TEMP
3. ACM Bleed Leak
4. Cabin over 14,500

Question 23

What’s the purpose of the ACM?

Answer 23

Take Pre-Cooled or APU Bleed Air and cool it to as low as 5C

Question 24

When does Baggage Heat become available?

Answer 24

In flight when selected (WOW)

Question 25

When will Acoustic Seal inflate?

Answer 25

Assuming Service Air is available when the door is closed and the Left throttle is out of Cutoff

Question 26

What does a Cyan BAGGAGE HEAT FAIL CAS message indicate?

Answer 26

Baggage Heat Valve is closed when commanded open

Question 27

What does an Amber BAGGAGE HEAT FAIL CAS message indicate?

Answer 27

Valve Failed open when commanded closed

Question 28

When will Baggage Heat not come on?

Answer 28

1. O'TEMP 2. BAGGAGE HEAT FAIL (165F) 3. On the ground 4. BAGGAGE FIRE 5. FIRE BOTTLE LOW

Question 29

Will the Acoustic Seal remain inflated inflight with the Left Engine shutdown?

Answer 29

Yes

Question 30

When does Baggage Heat turn OFF automatically?

Answer 30

1. WOW 2. 100F 3. 165F 4. Any FIRE CAS message

Question 31

What happens with an Amber ACM BLEED LEAK CAS message?

Answer 31

EMER Pressure

Question 32

True or False: An Amber STAB BLEED LEAK CAS message will extinguish when the sensors have cooled

Answer 32

False