Aircraft Fire Detection and Smoke Evacuation Systems

Smoke, fire, and overheat conditions

In the baggage compartment

To alert the crew of smoke, fire, and overheat conditions.

<p>In the baggage compartment.</p> Signup and view all the answers

<p>The fire pull handles are located on the cockpit center pedestal, marked L for the left engine and R for the right engine. A 28V DC signal must be applied to a lock release solenoid in the handles for them to be pulled to the fire position.</p> Signup and view all the answers

<p>The APU FIRE TEST switch TEST annunciator illuminates, the APU Fire (warning) message is displayed, and both MASTER WARNING glareshield switches illuminate. Additionally, a three-chime aural WARNING tone sounds.</p> Signup and view all the answers

<p>The CAS messages include L - R Engine Fire (warning), L - R Engine Fire Detector Loops (warning), APU Fire (warning), L - R Engine Fire Detector Loops Fire Detection Loop Fault (caution), APU Fire Detector Fail (caution), and L-R Engine Hot (warning).</p> Signup and view all the answers

<p>It discharges the right fire bottle to the left engine (SHOT 1).</p> Signup and view all the answers

<p>Sends a 28V DC signal to an electrically-actuated explosive cartridge on the left fire bottle</p> Signup and view all the answers

<p>Shuts down the APU</p> Signup and view all the answers

<p>Overboard through a dedicated valve that vents into the wing-to-body fairing</p> Signup and view all the answers

<p>Engine core, engine nacelle, and APU compartment</p> Signup and view all the answers

<p>Engine and nacelle fire, APU compartment fire, equipment area overheats condition, and smoke detection in the baggage compartment</p> Signup and view all the answers

<p>FIRE TEST - L ENG upper and lower segments switches LOOP A and LOOP B illuminate, MASTER WARNING glareshield switches illuminate, Left engine fire CAS message is displayed, left fire extinguishing handle illuminates red, left fuel control switch handle illuminates red, master warning audio sounds a repeating three chime warning, release solenoid in fire handle energizes, allowing handle to be lifted</p> Signup and view all the answers

<p>L - R Engine Fire (warning), L - R Engine Fire Detector Loops Engine Fire Loop Alert (warning), APU Fire Detector APU Fire (warning), L - R Engine Fire Detector Loops Fire Detection Loop Fault (caution), APU Fire Detector APU Fire Detector Fail (caution), The L-R Engine Hot (warning)</p> Signup and view all the answers

<p>There are no limitations for the fire detection and warning system established at the time of this writing.</p> Signup and view all the answers

<p>To provide fire and overheat detection for each engine in designated engine zones.</p> Signup and view all the answers

<p>It enables aircraft main battery power to energize the system for protection during APU and/or engine starting, and to test the system for integrity prior to APU and engine starts.</p> Signup and view all the answers

<p>It emits a steady beam of light across a white surface, and smoke entering the detector causes the light beam to be broken.</p> Signup and view all the answers

<p>It contains a special core of material and pressurized helium gas.</p> Signup and view all the answers

<p>The lock release solenoid is energized for the same side fire handle, allowing the handle to be pulled.</p> Signup and view all the answers

<p>It discharges the right fire bottle to the left engine (SHOT 1)</p> Signup and view all the answers

<p>A (warning) CAS message is displayed and the three chime master warning tone will be audible.</p> Signup and view all the answers

<p>It shuts down the APU.</p> Signup and view all the answers

<p>The fire extinguishing system is designed so that a single essential DC bus can provide both fire detection and fire extinguishing for the aircraft engines.</p> Signup and view all the answers