Release 7/ 8 to Release 9 Differences 13-7
Switch Tanks Alerts
This is a new pilot preference feature in Release 9. The Switch
Tanks Alert pops up on the display as a system advisory
message when the preference has been turned on. Set this
preference, as well as the duration between alerts, via the SYS
key and the Setup Tab.
FAILURE MODES
Loss of IFD
There is no loss of function following loss of an IFD in Release 9.
Since the displays are fully redundant, the loss of an IFD only
results in the loss of redundancy.
Loss of ADAHRS
There is no loss of function following the loss of an ADAHRS in
Release 9. The system will automatically switch to the cross-side
ADAHRS that remains functional following the loss of either
ADAHRS.
MAINTENANCE/SERVICE
Release 9 systems use a Line Replaceable Unit (LRU)
architecture where each subsystem (ADAHRS, VHF, GPS, I/O,
etc) is its own self-contained hardware module.
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