Aerospool WT9 Dynamic LSA / Club, Pilot Operating Handbook

Page: 196 / 204

Page 8-18 Initial issue
8.6 Winter Operation
Pre-flight inspection:
During the pre-flight inspection in winter additional checks must be done:
•
Remove the frost, ice, snow or other contamination from the aircraft surfaces
•
Check the control surfaces and flaps for free movement, full deflections and cleanness of slots
•
Check the cleanness of the fuel tank venting
WARNING
During winter operations, snow can accumulate
in the wheel fairings, which may result in increased aircraft weight
and change of CG position!
Engine preheating:
It is possible to start the engine without needing to preheat if the outside temperature is above +5 ° C. It is
recommended to preheat the engine and oil if the temperature falls below +5 ° C.
Blow hot air into the nose wheel well from the underside (Fig. 8-6). Temperature of the hot air should not exceed
50
° C. Preheat until coolant and oil temperature 20 ° C.
Use a suitable air heater and read the heater manual first. Obey local valid fire hazard legislation.
WARNING
Never use open fire to preheat the engine!
Obey the local valid fire hazard legislation!
Never leave the aircraft unattended while pre-heating!
Fig. 8-6 Engine preheating