BRP ROTAX 914 Series, Руководство оператора

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Effectivity: 914 Series
Rev. 0 BRP-Rotax Page 4-3
August 01 2019
4.1) Sudden drop of boost pressure and speed
Sudden drop of
boost pressure
and speed
Any exceeding of the max. admissible engine speed or boost
pressure must be recorded by the pilot in the logbook, stating
the exact time and duration of exceeding.
Loud noise or bang
Possible cause Remedy
Fracture of the turbo Look for landing possibility.
Flight with reduced performance may
be possible.
Monitor oil pressure.
Orange caution lamp of TCU (turbo control unit) is blinking
Possible cause Remedy
Wastegate does not close Limited flying operation as possibly
wastegate does not respond.
NOTE
A minimum performance of approx. 66 kW (88 HP) remains
available with the wastegate in the fully open position.
4.2) Sudden rise of boost pressure and speed
Sudden rise of
boost pressure
and speed
Any exceeding of the max. admissible engine speed or boost
pressure must be recorded by the pilot in the logbook, stating
the exact time and duration of exceeding.
Orange caution lamp of TCU (turbo control unit) is blinking
Possible cause Remedy
Wastegate fully closed Immediately reduce engine speed
until boost pressure and speed are
within operating limits.
Limited flying operation as wastegate
may be fully closed and control of the
boost pressure is only possible via
throttle lever.