ATR 42 Model : 400/500
AIR DATA SYSTEM
FLIGHT INSTRUMENTS
P 8
NOV 97
001
1.10
.
10
10.3 ELECTRICAL SUPPLY / SYSTEM MONITORING
ELECTRICAL SUPPLY
EQUIPMENT
DC BUS SUPPLY
(C/B)
AC BUS SUPPLY
(C/B)
ADC 1 / ADC 2
DC EMER BUS
- Nil -
(Primary on overhead panel
ADC 1/2 EMER)
HOT EMER BAT BUS
- Nil -
(Back-up on overhead panel
ADC 1/2 HOT)
CAPT airspeed ind.
and vertical speed
ind.
TAS/Temperature ind.
- Nil -
26 VAC STBY BUS
(on overhead panel
ASI VSI ALTM)
CAPT alt
recording FDAU
- Nil -
26 VAC STBY BUS
(on overhead panel ALTM)
F/O airspeed ind. and
vertical speed ind.
- Nil -
26 VAC BUS 2
(on overhead panel ASI VSI)
F/O altimeter
- Nil -
26 VAC BUS 2
(on overhead panel ALTM)
Standby altimeter
vibrator
DC BUS 1
(on overhead panel
STBY ALTM)
- Nil -
SYSTEM MONITORING
The following conditions are monitored by visual alerts :
- Loss of ADC
•
See ADC FAULT procedure in chapter 2.05.12.
- Incorrect ADC switching
•
See ADC SW FAULT procedure in chapter 2.05.12.
AA
R
R
R
R
R
R
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