Eads Eurocopter BO 105 CBS-5 - Engine Underspeed - Governor Failure

EUROCOPTER
FLIGHT MANUAL BO 105 CB-5/CBS-5
3 - 29
LBA APPROVED
Rev. 0
ENGINE EMERGENCY CONDITIONS
3.3.10 Engine Underspeed - Governor Failure
Conditions/Indications
– RPM warning may come on
Affected engine:
– Torque, N
1
and TOT decrease
–N
2
may decrease
Normal engine:
– Torque, N
1
and TOT increase
–N
Ro
and N
2
decrease
Procedure
1. Collective lever – Adjust to OEI-limits or below
2. Affected engine – Identify
3. ENGINE TRIM switch – Compensate N
2
/N
Ro
drop
4. LAND AS SOON AS PRACTICABLE
If no residual torque (affected engine) is available:
5. Single engine emergency shut-
down
– Perform