PROPELLER SYSTEM OPERATING LIMITATIONS
An overspeed governor test must be performed prior to the rst ight of the
day and following engine control system maintenance or adjustments.
Stabilized ground operation is prohibited between 450 and 1050 RPM. The
propeller may be operated when feathered at or below 450 RPM.
ENGINE CONTROL OPERATING LIMITATION
Flight operation with the engine power lever retarded below idle (beta mode)
is prohibited.
ENGINE STARTING CYCLE LIMITATIONS
Starting cycles with use of the airplanes batteries shall be limited to the
following intervals and sequence:
HI START: 15 seconds ON – 60 seconds OFF
LO START: 30 seconds ON – 60 seconds OFF
LO START: 30 seconds ON – 30 minutes OFF
(Repeat the above cycle as necessary.)
Starting cycles with use of external power shall be limited to the following
intervals and sequence:
HI START: 15 seconds ON – 60 seconds OFF
HI START: 15 seconds ON – 60 seconds OFF
HI START: 15 seconds ON – 60 minutes OFF
(Repeat the above cycle as necessary.)
WARNING: Flight operation in beta mode may result in an engine
overspeed condition and consequent loss of engine power or loss of
airplane control. Operating in beta mode quickly produces high amounts
of drag which could result in a rapid loss of altitude or complete loss of
control.
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