Serial Number 1646
Date of Issue: 23 June 2017
Revision - Original
21
In flight
Speed 65knots
Shut off fuel cock
Open the throttle as much as possible
Switch off heating, if switched on
Switch off ignition after all fuel in the carburetors is consumed and engine stops
Main switch off
Perform emergency landing and exit the aircraft
Try to extinguish the fire
Consuming all fuel in the carburetors takes approx. 30 seconds.
Do not try to restart the engine in this situation.
In case of vibrations
Proceed as follows should any unnatural vibrations occur:
Adjust engine speed to a value which minimizes the vibrations
Land at nearest airport or perform safety landing
If vibrations keep increasing, turn engine off and land with engine off
Icing of carburetor
Icing of carburetor manifests itself by reduced engine power and increased temperature; sometimes, light vibrations also
occur.
The following procedure is recommended to try to restore engine power:
Flight speed
75knots
Throttle
adjust to maintain level flight
Carburetor heating
where fitted - switch on
Fly away from icing area - if possible.
After 1-2 minutes, gradually increase throttle to cruising power