Rev. 02 – July 16
th
, 2009
7 Normal Procedures
Normal Procedures 7 - 3
7.1 Preflight Check
Before each flight the following checks have to be conducted:
Checks inside the aircraft
1. Check aileron quick-fasteners for secure locking
2. Check fuel level
3. Check mounting of rescue system
4. Check that both seats are properly secured in position
5. Close and lock both doors
6. Buckle up
7. Set parking brake
8. Check proper functioning of the flap drive and gauge
9. Set oil temperature regulator flap to take-off position (cooler)
10. Remove rescue system securing pin from emergency handle
11. Open fuel valve
Insecurely connection, improper operation of control surfaces or
insecure locked fasteners will lead to loss of control of the aircraft!!
7.2 Draining the Fuel System
Before moving the aircraft, the fuel tank must be drained.
Underneath the belly, just behind the main landing gear the drainer is
located. From the outside only a plastic hose with 0.5in diameter is
visible.
To drain the fuel tank, press on the plastic hose. Capture the leaked
fuel and analyse it for water.
If Avgas is used, water will clearly deposit underneath the fuel.
Continue draining until no more water can be detected.
In case of Mogas, water can be absorbed by the fuel, so no water
can be detected during draining. If the fuel looks like a milky
dispersion, fuel is saturated with water. In this case dump the fuel, do
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