KV ERJ Air Conditioning/Pneumatic Panel & Passenger Oxygen (7)

Question 1

What is the maximum altitude for single pack operations?

Answer 1

31,000 ft. (SOPM 2-3.1)

Question 2

What do the amber indications on the bleed pushbuttons indicate?

Answer 2

A leak has been detected. (AOM V2 14-02-05.3)

Question 3

Are we permitted to use high pressure external air and the APU simultaneously?

Answer 3

No. (SOPM 2-4.3)

Question 4

When will the passenger oxygen masks automatically deploy?

Answer 4

The masks are automatically deployed when the cabin altitude is between 14,000 – 14,750 ft. (AOM V2
14-14-15.1)

Question 5

How many minutes of oxygen with the cabin O2 masks provide?

Answer 5

Standard masks will supply oxygen for approximately 12 minutes.

Not purchased by SkyWest ERJ - Optional masks that supply oxygen for 14 or 22 minutes are also available. (AOM V2 14-14-15.1)

Question 6

What conditions would require the ADS probe heater switch to be pressed during the preflight?

Answer 6

1) On the first flight of the day if the temperature is below -18°C (0°F),
2) or when the temperature is below freezing and water, ice or snow is present or suspected.
(SOPM 4-1.14) (SOPM 4-1.41)

Question 7

When does the probe heat come on automatically?

Answer 7

1) ADSP heat turns on automatically whenever an engine is running or the airplane is airborne. (AOM V2 14-12-10.11)
2) 1700 ft or 2 minutes which ever comes first.