Part 2 Cargo Fire Detection Systems

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When is the cargo fire detection system tested automatically?

During pre-flight when any one of the three IRU selectors is placed in NAV
What does CRG FIRE TST FAIL alert indicate?

The cargo fire test has failed.
What type of detectors are installed in the lower cargo compartments?

Heat and smoke detectors.
If a lower cargo fire is detected, what actions will automatically take place?

Ventilation to the cargo compartments is deactivated as long as smoke or heat is detected.
What does a cargo FWD FLOW or AFT FLOW DISAG light indicate?

The ventilation flow condition disagrees with the switch position. This occurs when they are turned off automatically by an overheat or smoke condition.
Why must the Flow switch on the cargo fire panel depressed during a cargo fire?

To prevent the ventilation fan from restarting once the fire condition is no longer sensed by the Miscellaneous System Controller.
How many fire extinguishing bottles are provided for the lower cargo compartments?

There are two fire extinguishing bottles available to both forward and Center/aft compartments. The bottles are located in the center accessory compartment. #1 bottle is larger than #2 bottle.
After the discharging of the first bottle in the cargo compartment, when should the second bottle be fired?

Approximately 90 minutes after agent 1 bottle has discharged, a level 2 DISCH CARGO AGENT alert will appear and the respected AGENT DISCH light will begin to flash indicating agent 2 bottle should be discharged.
What are the indications when the lav smoke detector senses smoke in the lav?

Master caution lights and an alert message on the EAD.
What is the power source of the Cargo Smoke Protection System?

Battery bus.

Author

SFT

340557

Card Set

Part 2 Cargo Fire Detection Systems

Description

MD11 Cargo Fire Detection Sytems

Updated

2018-06-01T05:48:22Z

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