3.9 INSTRUMENT INDICATION OUTSIDE OF GREEN RANGE
Exceeding of max. admissible engine speed
- Reduce engine speed.
- Record the stating duration and extend of over speed in the logbook.
Exceeding of max. admissible coolant temperature
- In case of one Coolant or EGT values out of tolerance for a single
cylinder, it may be the result of a loose sensor. The aircraft should be
serviced.
- In case of several sensors indications in caution range:
- Reduce engine power setting to the minimum necessary to
maintain flight.
- Carry out precautionary landing.
Oil temperature below 50°C
- Increase slowly engine power setting and reduce airspeed to reach Oil
Temperature above 50°C.