Fire Protection Flashcards
Fire Protection
What two protections are provided for the engines?
• Engine fire & overheat detection. • Engine fire extinguishing
What is the indication after a dual engine fire loop fault?
EICAS message (advisory) DET FIRE ENG L/R.
What level EICAS message is an engine overheat?
CAUTION
How many engine fire bottles are installed?
2 (either or both can be discharged into either engine).
What protection is provided for the APU?
• Fire detection. • Fire extinguishing.
How many APU fire bottles are there?
1
When does the APU fire detection system operate as an OR system?
In unattended mode.
In which operating mode is APU fire extinguishing automatic?
Unattended mode (on GND W/ both engines off).
Which wheel wells have fire detectors?
Both main wheel wells.
What type of detectors are used in the cargo compartments?
Smoke detectors.
How many fire bottles discharge immediately?
2
When do all the metered bottles discharge?
With ACFT in the air, remaining 3 bottles discharge at a metered rate after a 20 minute time delay. If ACFT lands during that time delay, only one of the bottles discharges at a metered rate. If ACFT on GND at time of initial fire warning, only one bottle will discharge after a time delay.
How many bottles discharge for a ground cargo fire?
Total of 3. If ACFT on GND at time of initial fire warning, only one bottle will discharge after a time delay.
What level of EICAS message is SMOKE LAVATORY?
Advisory.
How is the fire and overheat detection system tested?
Automatically (where all fire detection systems continuously monitor for faults) and manually.
