Warning System Flashcards
RCAU Alert Priority
GPWS TCAS Fire Bell Takeoff Config Autopilot Disengage Pitch Trim Overspeed Landing Gear Config Altitude Warning Beta Lockout Warning Caution TCAS Traffic SELCAL
Takeoff Warning Tone sounds
Spoilers Elevator Trim Parking Brake Cond Levers not at MAX Flaps less then 3.5 or greater than 20
The EGPWS is active between
50 ft to 2450 ft agl
Which light does not trigger a master caution?
FUELING ON
What is the APU fire loop also called
APD advanced pneumatic detector
Where is the APU fuel valve located
Left wing collector bay, gravity fed
What DC buss is powered by the APU generator
The APU directly connects to the right main DC buss but it powers all DC busses
When does the APU WARN light come on?
When the generator is not supplying power.
If it is selected off
If it is automatically taken offline by apu fadec
How does the APU bleed air keep the airplane from pressurizing on the ground?
Hold the aft safety outflow valve OPEN
What has priority on the APU, bleed air or DC gen?
Generator has priority over bleed air
How does the APU get fuel
A gravity fed APU fuel pump with fuel supplied from the left wing collector bay through the APU shutoff valve
When will the APU fuel shutoff valve close
PWR switchlight pushed off APU Fire EXTG switch light press Aircraft airborne APU Fire Test button pressed APU Fault Starter Gen overheats
How many lights will and APU fire or overheat give you?
9
FIRE, FAIL, CHECK FIRE DET, MASTER WARNING, BTL ARM, FUEL VALVE CLOSED, EXTG, APU caution, MASTER CAUTION
10(for test)
FAULT
The APU FADEC detects the following faults:
OVERSPEED, HIGH OIL TEMP, FAILED VALVES, RELAYS CIRCUITS, UNDERSPEED/ACC FAIL, LOW OIL PRESS, FAILED SENSORS, INTERNAL FAILURE,
