Air systems

Question 1

Cabin ALT light?

Answer 1

• Cabin altitude exceeds 10,000ft
• Extinguishes when cabin altitude below 8,500ft
• Cabin altitude auto closes the outflow valve at 11,000ft
• Outflow valve resets at 9,500ft
• Masks drop at 14,000ft

Question 2

HIGH FLOW inhibited when:

Answer 2

• Using WING A/I and only 1 Bleed
• One engine INOP
• FLAPS not in UP position
• Aft cargo compartment ARMED switch pushed

Question 3

What temperatures may be set in the cabin via the compartment temp controllers in the AUTO position?

Answer 3

• Can set desired temperature between 18 and 30 degrees

Question 4

Are the shoulder and foot heaters available at all stages of flight?

Answer 4

• Only available in flight

Question 5

Rate of climb and descent provided at index mark of the cabin altitude AUTO RATE control?

Answer 5

• 500 fpm Climb
• 300 fpm descent

Question 6

When will the CABIN ALTITUDE light illuminate and extinguish during a non-normal event?

Answer 6

• Illuminate RED when cabin altitude exceeds 10,000ft
• Extinguish when below 8500ft

Question 7

Engine Bleed overheat - manual or automatic closing?

Answer 7

• Automatically close

Question 8

How many temperature zones on the PAX & F?

Answer 8

• PAX = 4 zones
  
  • Flight deck plus 3 cabin zones
• F = 3 Zones
  
  • Flight deck plus 2 cabin zones

Question 9

Cabin Altitude on Takeoff?

Answer 9

• When thrust levers are advanced beyond 10 degrees
  
  • Cabin altitude descends slowly BLW T/O altitude to permit a smooth pressure transition from GND to FLT