Fire Protection Flashcards
What is the electrical power source for the engine fire protection system?
Emergency Bus
How many fire detection loops are installed in each engine compartment?
1-Single Loop System
How many fire extinguisher bottles are installed?
1-Single Bottle
Regarding design, how does the loop detect an overheat or fire condition?
The loop is filled with helium gas which expands when heated. The detector unit at the end of the sensing loop contains a diaphragm which snaps over-center at a set actuation pressure, completing the electrical circuit to the warning devices.
What are the cockpit indications of fire test or actual engine fire condition?
-Master Warning: Red
-“FIRE, FIRE” (Aural Warning), Triple Chime
-FIRE (ITT): RED
-E1 FIRE, E2 FIRE (CAS): RED
-SHUTOFF 1 & 2 Buttons illuminated: RED
What is the location of the engine fire extinguisher bottle?
Rear Fuselage
What is the extinguishing agent type of the fire extinguisher bottle?
Halon 1301
What actions occur when the SHUTTOFF 1 or 2 button is pushed?
-Pneumatic PRSOV closes
-Fuel Shutoff Valve closes
-Hydraulic Shutoff Valve closes
-Engine Fire Extinguisher bottle is armed
-SHUTOFF 1 or 2 button white strip illuminated
What is the cockpit indication that the engine fire bottle has been discharged?
ENG FIREX DISCH (CAS)
What type of baggage compartment fire detection is installed?
Smoke detector installed in baggage compartment ceiling-two photoelectric sensors, both must detect smoke to generate warning.
What are the cockpit indications of baggage smoke test or actual baggage smoke condition?
-Master Warning: RED
-“FIRE, FIRE” (Aural Warning), Triple Chime
-BAG SMK (CAS): RED
