ATA 26: Fire Protection Flashcards
What would be the indication, if only ENG1 fire detector loop “A” was faulty?
(a) ECAM message ENG1 LOOP A FAULT
(b) No indication until a fire test is carried out
(c) ECAM message ENG1 LOOP A FAULT, single chime and master caution
(a) ECAM message ENG1 LOOP A FAULT
How long will the red APU FIRE pb on the overhead be illuminated?
(a) It will be illuminated as long as the fire warning is present
(b) Until the crew pushes and releases the guarded red APU FIRE pb
(c) Until the crew pushes the red master warn pb
(a) It will be illuminated as long as the fire warning is present
Pushing and releasing an ENG FIRE Pb will perform numerous functions, these include:
a. Silence the aural fire warning, closes the low and high pressure fuel valves, arms the fire extinguisher squibs, closes the hydraulic fire valve and closes the pack flow control valve.
b. Silence the aural fire warning, closes the high pressure fuel valve, arms the fire extinguisher squibs, closes the hydraulic fire valve and closes the pack flow control valve.
c. Silence the aural fire warning, arms the fire extinguisher squibs, closes the low pressure fuel valve, closes the hydraulic fire shutoff valve, closes the engine bleed valve, closes the pack flow control valve, cuts off FADEC power supply, deactivates the IDG.
c. Silence the aural fire warning, arms the fire extinguisher squibs, closes the low pressure fuel valve, closes the hydraulic fire shutoff valve, closes the engine bleed valve, closes the pack flow control valve, cuts off FADEC power supply, deactivates the IDG.
How long will the red APU fire Pb on the overhead be illuminated?
(a) It will be illuminated as long as the fire warning is present
(b) Until the crew pushes and releases the guarded red APU fire Pb
(c) Until the crew pushes the red master warn Pb
If an APU fire is detected in flight:
a. An automatic APU shutdown and agent discharge will occur.
b. An automatic APU shutdown will occur; manual agent discharge is required.
c. The APU Fire Pb must be pressed.
c. The APU Fire Pb must be pressed.
What operations/actions are required for smoke detected in the avionics compartment?
a. When smoke is detected immediate actions include setting the Vent Extract pb to OVRD with or without ECAM activation, however, after the ECAM is displayed the ECAM checklist must be followed even if non avionics smoke is suspected.
b. When air conditioning smoke is suspected the crew should set the Vent Extract pb to OVRD and may continue with the paper checklist or switch to the ECAM procedure when displayed.
c. The Vent Extract pb should be set to OVRD once Emergency Electrical Configuration has been established.
a. When smoke is detected immediate actions include setting the Vent Extract pb to OVRD with or without ECAM activation, however, after the ECAM is displayed the ECAM checklist must be followed even if non avionics smoke is suspected. QRH
What is the cockpit indication if number 1 fire bottle had discharged due to thermal expansion?
(a) Agent 1 SQUIB and DISCH lights illuminated
(b) Agent 1 DISCH light illuminated
(c) Agent 1 and 2 DISCH lights illuminated and ECAM warning
In the event of smoke in the cabin, several actions are available.
Which of the following apply?
a. The cockpit window should not be opened unless dense smoke persists in the cockpit and the aircraft is at FL100.
b. The cockpit window should not be opened before the RAM AIR Pb is selected to “OFF” and the aircraft altitude is FL100.
c. Packs should be selected to LO to reduce ventilation and decrease the cabin altitude.
a. The cockpit window should not be opened unless dense smoke persists in the cockpit and the aircraft is at FL100.
How are aural or visual warnings cancelled with an ENG FIRE?
a. The aural warning stops when the ENG MASTER switch is selected OFF.
b. The ENG FIRE Pb light will extinguish when the Pb is pressed.
c. The aural warning stops when the ENG FIRE Pb is pushed.
b. The ENG FIRE Pb light will extinguish when the Pb is pressed.
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
ENG 1(2) FIRE Pbs
Illuminates red if any of the following conditions are met:
- Both loops sense a ______ ______
- One loop detects a ______ and the other loop is ________.
- Both loops fail within ________ seconds of each other.
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
ENG 1(2) FIRE Pbs
Illuminates red if any of the following conditions are met:
- Both loops sense a high temperature.
- One loop detects a fire and the other loop is faulty.
- Both loops fail within five seconds of each other.
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
Pushing and releasing out an ENG FIRE pb sends an electrical signal to:
- ________ the CRC.
- ________ the fire extinguisher ________.
- Close the ________ fire valves.
- Close the _____ ______ (___) ___ valve.
- Close the ______ ______ control valve.
- Close the ______ ______valve.
- Deactivate the engine ______.
- Cut off ______ power.
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
Pushing and releasing out an ENG FIRE pb sends an electrical signal to:
- Silence the CRC.
- Arm the fire extinguisher squibs.
- Close the hydraulic fire valves.
- Close the Low Pressure (LP) fuel valve.
- Close the pack flow control valve.
- Close the engine bleed valve.
- Deactivate the engine generator.
- Cut off FADEC power.
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
AGENT 1(2) Pbs
SQUIB - Illuminates white to indicate that the respective squib is __________.
DISCH - Illuminates amber if the respective fire extinguisher bottle has ___________._
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
AGENT 1(2) Pbs
SQUIB - Illuminates white to indicate that the respective squib is armed.
DISCH - Illuminates amber if the respective fire extinguisher bottle has discharged.
V2 26.3.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
TEST Pb
Pushed and held:
- The ______ ______ lights flash.
- The ________ sounds.
- Both ______ ______ pbs illuminate.
- The ______ and ______lights illuminate in all of the ENG FIRE AGENT pbs.
- The engine fire ________ message and ________ page is displayed on the ECAM.
V2 26.2.1.6 Fire Tests
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
FIRE PANEL
TEST Pb
Pushed and held:
- The MASTER WARN lights flash.
- The CRC sounds.
- Both ENG FIRE pbs illuminate.
- The SQUIB and DISCH lights illuminate in all of the ENG FIRE AGENT pbs.
- The engine fire warning message and ENGINE page is displayed on the ECAM.
V2 26.2.1.6 Fire Tests
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
APU FIRE Pb
Pushing and releasing out the APU FIRE pb sends an electrical signal to:
- ________ the CRC.
- Arm the fire extinguisher ________.
- Close the ________ fuel valve.
- Shut the operating APU ________ pumps.
- Close the APU ________ valve and the ______ ______ valve.
- Deactivate the APU ________.
V2 26.2.1.4 Fire Extinguishing
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
APU FIRE Pb
Pushing and releasing out the APU FIRE pb sends an electrical signal to:
- Silence the CRC.
- Arm the fire extinguisher squib.
- Close the LP fuel valve.
- Shut the operating APU fuel pumps.
- Close the APU bleed valve and the cross bleed valve.
- Deactivate the APU generator.
V2 26.2.1.4 Fire Extinguishing
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
AGENT Pb
SQUIB - Illuminates white to indicate that the respective squib is ________.
DISCH - Illuminates amber if the respective fire extinguisher bottle has ________.
V2 26.3.3
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
AGENT Pb
SQUIB - Illuminates white to indicate that the respective squib is armed.
DISCH - Illuminates amber if the respective fire extinguisher bottle has discharged.
V2 26.3.3
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
TEST Pb
Pushed and held:
- The ________ sounds.
- The ______ ______ lights flash.
- The ______ ______ pb illuminates.
- The ______ and ______ lights illuminate in the APU FIRE AGENT pb
- The APU fire ________ message and APU page is displayed on the ECAM.
Note: Pressing the TEST pb has no effect on a ________ APU.
V2 26.2.1.6 Fire Tests
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
TEST Pb
Pushed and held:
- The CRC sounds.
- The MASTER WARN lights flash.
- The APU FIRE pb illuminates.
- The SQUIB and DISCH lights illuminate in the APU FIRE AGENT pb
- The APU fire warning message and APU page is displayed on the ECAM.
Note: Pressing the TEST pb has no effect on a running APU.
V2 26.2.1.6 Fire Tests
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
-900
APU Pb
Only the ____________ of the APU Fire / TEST pb’s have changed. All functions remain the same.
Vol II -900 Supp 8.2.2.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
APU PANEL
-900
APU Pb
Only the location of the APU Fire / TEST pb’s have changed. All functions remain the same.
Vol II -900 Supp 8.2.2.1
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
1. FWD (AFT) AGENT Pbs
SMOKE - Illuminates _______ if smoke is detected in the respective compartment.
SQUIB - Illuminates ____ ______ if the respective __________ pb is pushed.
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
1. FWD (AFT) AGENT Pbs
SMOKE - Illuminates red if smoke is detected in the respective compartment.
SQUIB - Illuminates white briefly if the respective AGENT pb is pushed.
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
**2. DISCH Indicator** BTL 1(2) - Illuminates _**\_\_\_\_\_\_\_**_ when the respective bottle is completely _**\_\_\_\_\_\_\_\_**_,
Illuminates _________ during a cargo smoke system _____._
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
**2. DISCH Indicator** BTL 1(2) - Illuminates **_white_** when the respective bottle is completely **_discharged_**, and during a cargo smoke system **_test._**
Illuminates white during a cargo smoke system test
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
3. TEST Pb
Pushed and held - Tests the ________ and __________ smoke detection and fire protection systems.
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
CARGO SMOKE PANEL
3. TEST Pb
Pushed and held - Tests the cargo and avionics smoke detection and fire protection systems.
V2 26.3.4
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
VENTILATION PANEL
26.3.5.1 AVNCS SMOKE Light
Illuminates ________ if smoke is detected in the _________ compartment.
V2 26.3.5 VENTILATION Panel
FIRE_01
Understand the control functions and indications on the FIRE, APU, CARGO SMOKE, and VENTILATION panels.
VENTILATION PANEL
26.3.5.1 AVNCS SMOKE Light
Illuminates red if smoke is detected in the avionics compartment.
V2 26.3.5 VENTILATION Panel
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
Engine
- The ______ ______ ______(______) sounds.
- The ______ ______ lights flash.
- The engine______ ______ message is displayed on the E/WD.
- The ________ page is displayed automatically.
- The red ENG 1(2)______ pb illuminates.
- The red ________ light next to the respective ______ ______ switch illuminates.
- The respective engine ______ (______) temperature indicator on the ENG page pulses ________ if the temperature exceeds a predetermined value.
VOL II, 26.2.1.2
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
Engine
- The Continuous Repetitive Chime (CRC) sounds.
- The MASTER WARN lights flash.
- The engine fire warning message is displayed on the E/WD.
- The ENGINE page is displayed automatically.
- The red ENG 1(2) FIRE pb illuminates.
- The red FIRE light next to the respective ENG MASTER switch illuminates.
- The respective engine NAC (nacelle) temperature indicator on the ENG page pulses green if the temperature exceeds a predetermined value.
VOL II, 26.2.1.2
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
APU
- • The ________ sounds.
- • The ______ ______ lights flash.
- • The APU ______ ______ message is displayed on the E/WD.
- • The ________ page is displayed automatically.
- • The red ______ ______ pb illuminates.
- • The amber ________ light in the APU ________ SW pb illuminates.
- • The ________warning horn sounds near the ______ ______ bay (on the ground only).
- • The ______ ______ light illuminates on the ________ power panel (on the ground only).
VOL II, 26.2.1.3 APU Fire Warning
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
APU
- • The CRC sounds.
- • The MASTER WARN lights flash.
- • The APU fire warning message is displayed on the E/WD.
- • The APU page is displayed automatically.
- • The red APU FIRE pb illuminates.
- • The amber FAULT light in the APU MASTER SW pb illuminates.
- • The external warning horn sounds near the nose gear bay (on the ground only).
- • The APU FIRE light illuminates on the external power panel (on the ground only).
VOL II, 26.2.1.3 APU Fire Warning
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
CARGO
- • The ________ sounds.
- • The ______ ______ lights flash.
- • A forward or aft/bulk cargo smoke warning message is displayed on the ________.
- • The red ________ light in the respective red guarded ________ pb on the CARGO SMOKE panel illuminates.
VOL II, 26.2.2.8 Cargo Smoke Warning
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
CARGO
- • The CRC sounds.
- • The MASTER WARN lights flash.
- • A forward or aft/bulk cargo smoke warning message is displayed on the E/WD.
- • The red SMOKE light in the respective red guarded AGENT pb on the CARGO SMOKE panel illuminates.
VOL II, 26.2.2.8 Cargo Smoke Warning
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
AVIONICS
- ________ sounds.
- ______ ______ lights flash.
- Avionics ________ warning message is displayed on the E/WD.
- Red ______ ______ light on the ____________ panel illuminates.
VOL II, 26.2.2.4
FIRE_02
Recall the indications of a fire warning (Engine, APU, Cargo, Avionics, & Lavs).
AVIONICS
- CRC sounds.
- MASTER WARN lights flash.
- Avionics smoke warning message is displayed on the E/WD.
- Red AVNCS SMOKE light on the VENTILATION panel illuminates.
VOL II, 26.2.2.4
F
FIRE_03
Describe the Engine Fire Detection and Extinguishing System. (PW ONLY)
The fire detection system for the engine consists of ________ gas-filled loops.
- Each engine fire detection loop (A and B) consists of ________ sensing elements,
- one located in the ________
- and one on each side of the ______ ______.
- All signals from the fire detection loops are processed by the respective ______ ______ ______.
- If either loop senses a ______ ______, a signal is sent to the fire detection unit which determines if a fire exists.
- An ECAM caution message is displayed if one or both loops ________ or the ______ ______ ______ fails.
- If one loop ________ the remaining loop will______ ___ ______ fire detection.
VOL II, 26.2.1.1 Fire Detection
FIRE_03
Describe the Engine Fire Detection and Extinguishing System. (PW ONLY)
The fire detection system for the engine consists of two gas-filled loops.
- Each engine fire detection loop (A and B) consists of three sensing elements,
- one located in the pylon
- and one on each side of the engine core.
- All signals from the fire detection loops are processed by the respective fire detection unit.
- If either loop senses a high temperature, a signal is sent to the fire detection unit which determines if a fire exists.
- An ECAM caution message is displayed if one or both loops fail or the fire detection unit fails.
- If one loop fails the remaining loop will continue to provide fire detection.
VOL II, 26.2.1.1 Fire Detection
FIRE_03
Describe the Engine Fire Detection and Extinguishing System. (PW ONLY)
The fire detection unit will activate a fire warning if any of the following occur:
- ________ loops sense a high temperature.
- One loop detects a fire and the other loop is ________.
- Both loops fail within ________ seconds of each other.
Engine fire extinguishing is controlled by ________ pbs controlling dedicated fire extinguisher bottles.
________ halon fire extinguishers are provided for each engine
VOL II, 26.2.1.1
FIRE_03
Describe the Engine Fire Detection and Extinguishing System. (PW ONLY)
The fire detection unit will activate a fire warning if any of the following occur:
- • Both loops sense a high temperature.
- • One loop detects a fire and the other loop is faulty.
- • Both loops fail within five seconds of each other.
Engine fire extinguishing is controlled by FIRE pbs controlling dedicated fire extinguisher bottles.
Two halon fire extinguishers are provided for each engine
VOL II, 26.2.1.1
FIRE_04
Describe the APU Fire Detection and Extinguishing System.
- The fire detection system for the APU is ________ to the design of the engine fire detection system.
- Each APU fire detection loop has ________ sensing element, located in the ________ compartment.
- APU fire extinguishing is controlled by a ______ ______ pb controlling the ________ halon extinguisher.
- If an APU fire is detected while the aircraft is on the ground, this bottle discharges _______._
- An ______ ______ indicator is provided for the APU fire extinguisher bottle.
- It consists of a ________ disc located on the tail near the APU ______ ______ ______.
- If the disc is missing, the pressure relief device may have ________ the fire extinguisher agent.
VOL. II, 26.2.1.1
FIRE_04
Describe the APU Fire Detection and Extinguishing System.
- The fire detection system for the APU is identical to the design of the engine fire detection system.
- Each APU fire detection loop has one sensing element, located in the APU compartment.
- APU fire extinguishing is controlled by a APU FIRE pb controlling the one halon extinguisher.
- If an APU fire is detected while the aircraft is on the ground, this bottle discharges automatically.
- An overpressure discharge indicator is provided for the APU fire extinguisher bottle.
- It consists of a red disc located on the tail near the APU air intake flap.
- If the disc is missing, the pressure relief device may have released the fire extinguisher agent.
VOL. II, 26.2.1.1
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- The cargo smoke detectors detect ______ ______, not ________
- Each detector is connected______ to a Smoke Detection Control Unit (SDCU).
- Smoke detectors are installed in _______._
- Each smoke detector in the pair is monitored by a different ________ of the SDCU.
- Normally______ detectors in a pair must detect smoke for the SDCU to activate a smoke warning; however, if one smoke detector ________, the SDCU will ________ the warning if the operable detector in the pair senses smoke.
VOL. II, 26.2.2.2
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- The cargo smoke detectors detect smoke particles, not heat.
- Each detector is connected independently to a Smoke Detection Control Unit (SDCU).
- Smoke detectors are installed in pairs.
- Each smoke detector in the pair is monitored by a different channel of the SDCU.
- Normally both detectors in a pair must detect smoke for the SDCU to activate a smoke warning; however, if one smoke detector fails, the SDCU will activate the warning if the operable detector in the pair senses smoke.
VOL. II, 26.2.2.2
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- A total of ________ pairs of smoke detectors are installed in the cargo compartments.
- There are ________ pairs of detectors in both the forward and aft cargo compartments,
- and______ pair in the bulk cargo compartment.
- The smoke detectors are housed in cavities in the ________ of each cargo compartment.
- Each cavity contains ________ smoke detectors, each monitored by a ________ SDCU channel.
VOL. II, 26.2.2.7 Cargo Smoke Detection
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- A total of five pairs of smoke detectors are installed in the cargo compartments.
- There are two pairs of detectors in both the forward and aft cargo compartments,
- and one pair in the bulk cargo compartment.
- The smoke detectors are housed in cavities in the ceiling of each cargo compartment.
- Each cavity contains two smoke detectors, each monitored by a different SDCU channel.
VOL. II, 26.2.2.7 Cargo Smoke Detection
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- ________ halon fire extinguishers are installed for cargo fire extinguishing.
- The complete discharge of bottle 1 takes approximately ______ seconds.
- A ______ ______ installed on bottle 2 allows it to discharge ________ into the respective compartment to provide sufficient agent concentration for ________ hours.
Note: Because the affected compartment is not ventilated and the smoke detectors are ________ detectors, the ________ warning may remain after agent discharge even if the smoke ________ is eliminated.
VOL. II, 26.2.2.9 Cargo Fire Extinguishing
FIRE_05
Describe the Cargo Compartment Smoke Detection and Fire Extinguishing System.
- Two halon fire extinguishers are installed for cargo fire extinguishing.
- The complete discharge of bottle 1 takes approximately 60 seconds.
- A flow meter installed on bottle 2 allows it to discharge slowly into the respective compartment to provide sufficient agent concentration for 4 hours.
Note: Because the affected compartment is not ventilated and the smoke detectors are particle detectors, the smoke warning may remain after agent discharge even if the smoke source is eliminated.
VOL. II, 26.2.2.9 Cargo Fire Extinguishing
FIRE_06
Describe the Avionics Smoke Detection and Fire Extinguishing System.
- A ________ pair of smoke detectors is installed in the avionics ________ system for avionics smoke detection.
- The avionics smoke detectors detect smoke ________, not ________
- Each detector is connected ______________ to a Smoke Detection Control Unit (SDCU).
VOL. II, 26.2.2.3
FIRE_06
Describe the Avionics Smoke Detection and Fire Extinguishing System.
- A single pair of smoke detectors is installed in the avionics ventilation system for avionics smoke detection.
- The avionics smoke detectors detect smoke particles, not heat.
- Each detector is connected independently to a Smoke Detection Control Unit (SDCU).
VOL. II, 26.2.2.3
FIRE_06
Describe the Avionics Smoke Detection and Fire Extinguishing System.
If avionics smoke is detected:
- The _________ directs the crew to place the avionics ventilation system in the _________ configuration by selecting the _________ pb on the VENTILATION panel to ________._
- In the smoke configuration, the _________ extract valve is closed and the _________ extract valve is partially open.
- This allows the smoke to be _________ overboard.
VOL. II, 26.2.2.3
FIRE_06
Describe the Avionics Smoke Detection and Fire Extinguishing System.
If avionics smoke is detected:
- The ECAM directs the crew to place the avionics ventilation system in the smoke configuration by selecting the EXTRACT pb on the VENTILATION panel to OVRD.
- In the smoke configuration, the underfloor extract valve is closed and the overboard extract valve is partially open.
- This allows the smoke to be ventilated overboard.
VOL. II, 26.2.2.3
FIRE_07
Describe the Lavatory Smoke Detection and Fire Extinguishing System.
- Smoke detectors are installed in the ________ of each lavatory in the ________ extract duct.
- ________ detectors, connected to ________-filled fire extinguishers, are installed in the ________ next to the waste bins in all lavatories.
VOL. II, 26.2.4.1
FIRE_07
Describe the Lavatory Smoke Detection and Fire Extinguishing System.
- Smoke detectors are installed in the ceiling of each lavatory in the ventilation extract duct.
- Heat detectors, connected to halon-filled fire extinguishers, are installed in the cabinet next to the waste bins in all lavatories.
VOL. II, 26.2.4.1
