Air Managment System Flashcards
When are the AIR CON / PNEUMATIC controls set to auto?
When pressed in and dark
What should the PACK do during start if the PACK button is in AUTO?
Automatically turned off during start
What happens when you press the DUMP button
Opens outflow valve to 2000 FPM climb to 12,500
Command PACKs OFF
Commands recirculation fans OFF
Which cargo bin can you put dry ice in?
FWD
What are the sources of bleed air?
Engine 1
Engine 2
APU
When can the FA control the cabin temperature?
When the cabin temperature knob is set to ATTND (full left)
What protect the airplane from over or under pressurization?
Safety valves
How is landing field elevation set when pressurization is in auto
LFE is set based on the flight plan destination
What can the APU supply bleed air for?
ECS to 15,000ft
Water pressurization
Engine starting to 21,000ft
NO ANTI ICE
What is the maximum altitude for single PACK operations?
31,000ft
What is use bleed air for on the airplane?
Pressurization Engine Start Anti-ice Water pressurization Cabin air circulation
What equipment is used to control air flow out of the cabin?
CPC cabin pressure controllers
OFV out flow valve
Dump
When should you use the cabin pressure dump button?
Smoke evacuation
Emergency evacuation
Fast cabin depressurization
What type of oxygen system does the crew have?
Conventional high-pressure, gaseous type system with oxygen stored in rechargeable cylinder
How long can the crew oxygen be provided?
22 minutes on 100%
98 minutes on Normal
