GREAT PLANES RealFlight 7 User Manual page 66

If you do not wish to experience any flight failures, click the Never option in
the drop-down menu or, if you wish to gain a great deal of experience at
handling emergencies, click the Always option.
Selecting the Type of Flight Failures-
RealFlight 7 allows you to determine the type of flight failures that you will
experience within the simulation. To do so, click the Simulation menu
followed by the Flight Failures menu item. Next, select Enable to bring
forth the list of available flight failures. If an item has a check mark next to it,
then that flight failure is enabled. To toggle the flight failure, click on it with
the mouse.
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