Failure of both generators
(Helicopter equipped with emergency bus)
This failure is indicated by ELECTRICAL warning message and, if the
helicopter is equipped with battery discharge control box, by BATT DISCH
warning message on EDU 1.
PROCEDURE
GEN 1 and 2 : Reset, then ON.
If both generators are inoperative, the flight can be continued on battery power
for maximum of 30 minutes provided the following procedures must be
accomplished:
NOTE
During the load shedding procedure all SAS will be lost until SAS
1 is reselected ON. It is recommended that prior to load shedding,
speed is reduced to between 100 and 120 Kts in order to reduce
pilot work load.
Cockpit wander light (pilot) : ON (at night).
GEN BUS 1 : OFF.
GEN BUS 2 : OFF.
SAS 1 switch : ON (SAS 1 OFF caution mes-
sage suppressed).
NOTE
If the Generator Busses are not disconnected the battery is
capable of supplying power for a further 10 minutes maximum,
providing that VHF radio is not used in transmission for more
than 3 minutes.
NOTE
Following the above selection sequence, the emergency busses (N° 1
and N° 2) will supply power to the following indications and systems:
RFM A109E
3-48P E.A.S.A. Approved
Rev. 35
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