Fire Protection Flashcards
What happens if the fire extinguisher test button is held down for more than 10 seconds?
If the APU is running then the APU automatically shuts down
What BUSSES are the engine fire extinguishers powered by?
HOT BATT BUSS 1/2
When the engine fire handle is pulled what does it command close?
Engine fuel shutoff valves
Hydraulic shutoff valves
Engine bleed air shutoff valves
Cross bleed shutoff valve
How many engine fire extinguishers are there?
2 (can serve either or both engines)
How many APU fire extinguishers are there?
One
When the APU fire extinguisher button is pressed what happens?
APU fire bottle discharges
APU is shutdown
APU fuel shutoff valve closes
EICAS advisory message “APU FIREX BTL DISCH”
How long after a fire is detected in the APU will the APU automatically shutdown?
10 seconds (if no pilot input)
What class are the e190 cargo holds?
Class C
How many smoke detectors are there in the fwd hold?
4
How many smoke detectors are there in the aft hold?
3
What happens in the fwd cargo hold when smoke/fire is detected?
Ventilation, air re circulation is turned off and fire bottle is armed
How many cargo hold fire extinguishers are there?
1 high rate bottle and 1 low rate bottle (shared between cargo holds)
How long after the high rate bottle is discharged does the low rate bottle discharge and how long does the low rate bottle last?
1 minute after high rate bottle and lasts for 75mins
What alerts occur when smoke/fire is detected in a toilet?
- master warning
- EICAS warning msg
- alarm sounds in toilets and smoke detector light comes on
- flashing orange light on rainbow lights
When do the toilet fire extinguishers discharge?
Automatically when a certain temperature is reached
