4.8. CRUISE
- bring the airplane into horizontal flight
- in-flight adjustable propeller 4 000 – 5 500 RPM
- throttle 24 inHg – full (as required)
- airspeed as required
- engine instruments check
- fuel tank valves switch between tanks when necessary
WARNING:
Do not forget to switch the wing tanks supplying the engine on regular
basis to prevent fuel starvation.
When both fuel tanks are full or almost full, always select the left tank.
Followed values are recommended for ideal airplane use:
4.9. APPROACH
4.9.1. Descent
- throttle as required
- engine instruments check
WARNING:
Avoid prolonged operation with IDLE during the flight as the engine
may become overcooled and lose the power.
If higher descent is needed, there is possbility to extend flaps under 140 km/h,
and extend the undercarriage. Side slip is not efficient, steep descend is
reached with flaps III.
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