After switching off the GEN BUS
2 the following message will be
indicated: INV 2, SAS 2 OFF.
NOTE
Following a failure of both Generator Busses the battery will
continue to supply the following loads: DAU ch A, EDU Primary,
ICS PLT and VHF1 (if radio master switch incorporates the
ground position GND).
CAUTION
In the event of subsequent Generator 1 failure the flight can be
continued on battery power for maximum of 25 minutes. Land as
soon as possible.
Failure of generator 1 or 2 and generator bus #1 or #2
(Helicopters not equipped with emergency bus)
The failure of Generator 1 and#1DCBUSisindicated by#1DCGEN, BUS
TIE, INV 1, SAS 1 OFF caution messages on EDU 1.
All loads of Generator Bus #1 and both pilot and copilot EADI (if installed)
are lost. All loads of Essential Bus #1 are retained.
NOTE
In this event all loads on #2 Bus are maintained by Generator 2.
The failure of Generator 2 and #2 DC BUS is indicated by # DC GEN, BUS
TIE, INV 2, SAS2 OFF caution messages on EDU 1.
All loads of Generator Bus #2 and both pilot and copilot EHSI (if installed) are
lost. All loads of Essential Bus #2 are retained.
NOTE
In this event all loads on #1 Bus are maintained by Generator 1.
RFM A109E
3-48B R.A.I. Approved
Rev. 19
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