ATR 42 Model : 400/500
EQUIPMENT LIST
ELECTRICAL SYSTEM
DISTRIBUTION
P 7
NOV 97
001
1.06
.
60
DC EMER BUS
ATA
SYSTEM
FUNCTION
21 AIR CONDITIONING
- OVERBOARD and UNDERFLOOR VALVES CTL
and IND and AIR COOLING HIGH FLOW IND
- PRESSURE IND and EXCESS ALTITUDE IND
- PNEUMATIC OUTFLOW VALVES
22 AUTO FLIGHT
- AP/FD computer and guidance IND (when
installed)
23 COMMUNICATIONS
- VHF
- F/O COCKPIT AMPLIFIER
- RCAU
24 ELECTRICAL POWER
- GCU 1 DC (Back-up)
- AC BUS OFF 1 and 2 IND
- ACW BUS OFF 1 and 2 IND
- INV FAULT 1 IND
- DC BUS OFF 1 and 2 IND
- BPCU DC (Back-up)
- DC STBY BUS IND (UNDV - OVRD)
- EMER BAT : CHG IND
- DC STBY BUS CTL (BUS REMAIN SUPPLIED BY
DC BUS 1)
- AC 1 BUSSES CTL
(BUSSES REMAIN SUPPLIED BY INV 2)
26 FIRE PROTECTION
- ENG FIRE EXTINGUISHING CTL and IND (NorĆ
mal)
- FIRE HANDLE IND ENG 1 and 2
- FIRE DETECTION ENG 1 and 2
27 FLIGHT CONTROLS
- PITCH TRIM NORMAL COMMAND
- RUDDER TRIM
- AILERON TRIM
29 HYDRAULIC POWER
- BLUE PUMP CTL and IND
- GREEN PUMP IND
30 ICE and RAIN
PROTECTION
- AAS IND and ALERTS
- AAS CTL
- WING, EMPENNAGE BOOTS A
- ENG 1 BOOTS A and B
- PROPELLERS 1 and 2 ANTI-ICING CTL and IND
- WING, EMPENNAGE BOOTS B and ENG 2
BOOTS A and B (Back-up DC BUS 2)
- HORNS ANTI-ICING IND and CTL
AA
R
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