Section 3 – Emergency procedures
INFLIGHT ENGINE RESTART
7. INFLIGHT ENGINE RESTART
7.1. PROPELLER WINDMILLING
In case of engine shutdown, propeller will keep windmilling and will
not stop, preventing the use of ignition key. Engine inflight restart
must be performed without using ignition key until propeller is
windmilling in order to avoid possible engine damages.
Typical indication of a potential engine shutdown, with windmilling
propeller, will be RPM running sub-idle below 600-500 RPM, to be
confirmed by other engine instrument (OIL Pressure, CHT, EGT
running down abnormally).
Inflight engine restart may be performed during 1g flight anywhere
within the normal operating envelope of the airplane.
1. Master switch ……………………………… Check ON
2. Fuel pump …………………………………. ON
3. Fuel quantity indicator …………………….. CHECK
4. Fuel Selector ………………………………. SWITCH TANK
5. Throttle Lever …………………………….. Minimum 1cm(0,39in) above IDLE
6. Mixture …………………………………… FULL rich
7. Throttle lever ……………………………… SET as required
In case of unsuccessful engine restart:
Land as soon as possible applying Forced landing procedure. (See Para 11)
In case of successful engine restart:
Land as soon as possible
After engine restart, if practical, moderate propeller rpm to al-
low the temperatures for stabilizing in the green arcs.
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