Mod : 4273
ATR 42 Model : 400/500
GENERAL
FIRE PROTECTION
P 8
NOV 97
100
1.08
.
10
EQUIPMENT
DC BUS SUPPLY
(C/B)
AC BUS SUPPLY
(C/B)
Avionics
smoke detector
DC ESS BUS
(on lateral panel ELEC SMK DET)
- Nil -
Toilets smoke detector
DC STBY BUS
(on lateral panel)
- Nil -
Aft cargo and toilets
ventilation fans PWR
- Nil -
AC STBY BUS
(on lateral panel
FANS PWR)
Aft cargo and toilets
ventilation fans CTL.
Forward cargo
ventilation fans CTL
DC ESS BUS
(on lateral panel AFT FANS IND)
DC ESS BUS
(on lateral panel)
- Nil -
- Nil -
Forward cargo
ventilation fans PWR
- Nil -
AC STBY BUS
(on lateral panel)
Cabin ventilation
isolating valves
control
DC ESS BUS
(on lateral panel)
- Nil -
SYSTEM MONITORING
The following conditions are monitored by visual and aural alerts :
- ENG fire signal
•
See ENG FIRE procedure in chapter 2.04.02.
- Smoke detected in the avionics ventilation circuit
•
See ELECTRICAL SMOKE procedure in chapter 2.04.03.
- Smoke detected in the FORWARD cargo compartment
•
See FWD CARGO SMOKE procedure in chapter 2.04.03.
- Smoke detected in the aft cargo compartment or in the lavatory
•
See AFT COMPT SMOKE procedure in chapter 2.04.03.
- Nacelle temperature exceeds 170
°
C ( 338
°
F)when aircraft is on ground.
•
See NAC OVHT procedure in chapter 2.05.02.
- Fire Loop fault signal
•
See FIRE LOOP FAULT procedure in chapter 2.05.12.
- Smoke detected in the cargo bay (containers transportation only)
•
See CARGO BAY SMOKE" procedure in chapter 2.04.03.
AA
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