Phenom 300 Fire Protection

Question 1

What is the electrical power source for the engine fire protection system?

Answer 1

Emergency Bus

Question 2

How many fire detection loops are installed in each engine compartment?

Answer 2

1 – Single Loop System

Question 3

Regarding design, how does the loop detect an overheat or fire condition?

Answer 3

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.

Question 4

What are the cockpit indications of fire test or actual engine fire condition? (5)

Answer 4

• Master Warning - Red
• “FIRE, FIRE” (Aural Warning), Triple Chime
• FIRE (ITT) - Red
• E1 FIRE, E2 FIRE (CAS) - Red
• SHUTOFF 1 and 2 Buttons illuminated - Red

Question 5

What is the location of the engine fire extinguisher bottle?

Answer 5

Rear Fuselage

Question 6

What is the extinguishing agent type of the fire extinguisher bottle?

Answer 6

Halon 1301

Question 7

What actions occur when the SHUTOFF 1 or 2 button is pushed? (5)

Answer 7

• 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

Question 8

What is the cockpit indication that the engine fire bottle has been discharged?

Answer 8

ENG FIREX DISCH (CAS)

Question 9

What type of baggage compartment fire detection is installed?

Answer 9

Smoke detector installed in baggage compartment ceiling – two photoelectric sensors, both must detect smoke to generate warning.

Question 10

What are the cockpit indications of baggage smoke test or actual baggage smoke condition?

Answer 10

• Master Warning – Red
• “FIRE, FIRE” (Aural Warning), Triple Chime
• BAG SMK (CAS) - Red