What is the power source of the EEC's - Answers They are their own independent
Do the EEC's talk to each other - Answers No
What protection does EEC give during autostart - Answers Hot
Hung
No EGT rise
How many start attempts do they do - Answers 3
EICAS message after failed start - Answers E...
CONtinuous ignition - Answers Commanding ignition on continuously
Commanding approach idle
When must you select continuous ignition - Answers Heavy rain
Sever turbulance
Icing conditions
Volcanic Ash
Standing slush or water
Auto (ignition) - Answers Single - Only using one igniter
Both - Both igniters
What does the IRS do - Answers Provides information to the FMS for navigation
How many FMS's do we have - Answers 1
Whats main power source of IRS - Answers 3 1 2
Primary AC
, How long do they run on DC (battery) - Answers After 5 mins centre lost
Others run for at least 30mins
What are the IRS's providing - Answers Position
Acceleration
Track and HDG
V/S
Attitude
FPV
Slip/Skid
Wind
Flight controls
How do we communicate to FMC's - Answers Through 3 CDU's
Updating sources of IRS - Answers GPS
LOC
VOR
VOR/DME
DME/DME
Where do we see the source of the IRS position - Answers ND
Time to align IRS for full alignment - Answers Approx 10mins
How do you do a fast alignment - Answers ALIGN then NAV - approx 30secs
How often do you need to do an alignment - Answers Every 18hrs
What happens when we switch to ATT on IRS - Answers Enters attitude mode
Requires magnet heading input
Position and velocity information lost until realigned
Can we switch to ATT in a turn - Answers No
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