The B777 has fire-extinguishing bottles that contain Halon fire extinguishing agents pressurized with nitrogen to aid in case of a fire breaking out. They are release when engine fire switches in the flight desk are pulled. The quiz below tests your knowledge on this system. Give it a shot!
Ground maintenance is servicing fire bottle 1.
The fire bottle squibs are inoperative.
This is a normal indication prior to APU start.
Fire bottle 1 is discharged or the pressure is low (aisle stand lights indicate discharge).
An overheat condition exists in the right engine.
A fire condition exists in the right engine.
Overheat detection in the right engine has failed.
A pending overheat condition exists in the right engine.
The APU shuts down automatically but the fire bottle must be discharged manually.
The APU shuts down automatically and the fire bottle discharges automatically.
The APU does NOT shut down automatically but the fire bottle discharges automatically.
The APU does NOT shut down automatically and the fire bottle must be discharged manually.
Wait until the fire light extinguishes
Pull the fire switch to override the lock.
Push the fire override switch, then pull the fire switch.
Rotate the fire switch.
Fire detection for this engine is no longer available.
The fire detection system for this engine has automatically reconfigured to single loop operation.
The right engine fire bottle squibs are inoperative.
A fire has been detected in the right engine.
The APU fire detection system has automatically reconfigured to single loop operation.
APU fire detection is no longer available
The APU fire bottle squibs are inoperative.
A fire has been detected in the APU
Two rapid dump bottles discharge into the forward cargo compartment.
All 5 fire bottles arm and airflow around the cargo compartment is reduced.
All 5 bottles discharge into the forward cargo compartment.
One of the metered bottles discharges into the forward cargo compartment.
Two fire bottles protect the wheel well from fires.
Fire detection loops alert the crew to excessive brake temperatures.
Fires are detected by two smoke detection units in the wheel well.
There is no built-in fire extinguishing system for the wheel well.
An automatic sprinkler system activates if a fire is detected.
An aural warning activates and a light illuminates outside the lavatory if smoke is detected.
There is no built-in fire extinguishing system for the lavatories.
The lavatory fire extinguishing system is activated by a discharge switch on the overhead panel.
A fire has been detected in the aft cargo compartment.
There is a detection zone fault in the smoke detector for the aft cargo compartment.
The aft cargo fire heat sensor is inoperative.
Fire detection for the aft cargo compartment is not available.
A fire has been detected in the forward cargo compartment.
Smoke is detected in only one zone of the forward cargo compartment.
Fire detection for the forward cargo compartment is not available.
The forward cargo fire heat sensor is inoperative.
This is a normal indication prior to APU start.
The APU fire bottle has discharged.
The APU fire bottle squibs are inoperative.
The APU is on fire.
The fire bell sounds
The master WARNING lights illuminate.
The EICAS caution message FIRE CARGO (FWD or AFT) is displayed.
The CARGO FIRE (FWD or AFT) fire warning light illuminates.
The fire bell sounds
The WHEEL WELL FIRE light illuminates.
The EICAS warning message FIRE WHEEL WELL is displayed.
The master WARNING lights illuminate
The fire bell sounds.
The EICAS caution message FIRE APU is displayed.
The master WARNING lights illuminate
The APU fire switch fire warning light illuminates and the APU fire switch unlocks.
The APU compartment has dual fire detector loops
There is no APU overheat detection.
An APU fire warning automatically shuts down the APU.
The EICAS advisory message DET FIRE APU is displayed if there is an APU fire.
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