Term
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Definition
IDG (4)
APU Gens (2)
Ext Power (2) |
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Term
| If the battery switch is off, what busses are powered? |
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Definition
APU hot battery bus & main battery hot bus
Permits fire tests, ext lights, APU starting |
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Term
| Batt Switch On, What's powered? |
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Definition
Main & APU battery avail as b/u pwr source for APU battery bus and apu standby bus
Main battery avail as b/u pwr source for main batt bus and main stby bus |
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Term
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Definition
Stby pwr not avail
Main & APU stby busses disc'd |
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Term
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Definition
| Left EFIS ctl panel, Left PFD, Clock, ND, Pri Eicas, CDU, ILS, VOR, VHF, IFSD, Fire Protection |
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Term
Ground Handling Bus is powered when____
Priority src is ___
Items it powers: |
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Definition
APU generator 1 or Ext pwr 1 is AVAIL
Ext pwr
Lower cargo handling equip & lights
Fueling sys
Aux pump 4 |
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Term
Ground Svc Bus powered when ____
Connect to ground handling bus how?
It powers: |
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Definition
AC Bus 1 is powered
Gnd Svc Sw at door 1L
Main & APU Batt chargers
Fuel pumps for APU start
Flt Deck flood, Nav & service lights
Misc outlets & equip |
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Term
Main Deck Cargo Handling Bus:
Powered when?
Priority?
Highlights? |
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Definition
External Pwr 2 or APU Gen 2 AVAIL
External is priority
Main Deck loading stuff- Nose, side and main deck cargo doors |
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Term
IFSD power source?
Time it will run |
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Definition
| It's own dedicated DC battery/charger capable of power up to 150 minutes |
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Term
Capt Transfer bus norm/alternate pwr src?
It powers |
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Definition
AC Bus 3 / AC Bus 1
APU Stby bus, Center EIU, Left HF |
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Term
FO Transfer bus Norm/Alt power source?
It powers____? |
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Definition
AC Bus 2 / AC Bus 1
Autothrottle servo, Lower EICAS, Right CDU, HF, ND, PFD, ADC, EFIS, FMC |
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Term
| Amber DRIVE on ovhd elec panel and EICAS ELEC DRIVE displays for ___ |
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Definition
| Low IDG oil press, high IDG oil temp or GCB open due to uncorrectable gen freq fault |
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Term
| What is on the main hot battery bus? |
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Definition
APU fuel valve,
Engine spar valves
APU, Engine & lower cargo fire extinguishers |
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Term
| What is on the APU hot battery bus? |
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Definition
APU inlet door, APU controller,
Outflow valves
IRU L, C & R DC power |
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Term
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Definition
APU controller, engine fuel valves, xfeed
Dome, storm & some other lights
IDG disconnect, man pressurization, TEF ctl
CA inph, left radio tuning panel, left VHF |
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Term
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Definition
APU DC fuel pump, engine start air control
Cargo, FO & svc inph,
PA system
APU & enginie fire/ovht detxn loops A&B
APU fire warning horn |
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