RealFlight G5 Manual (21MB) - Great Planes Software Support

Failures menu item, and then the Frequency menu item. This brings up a
sub-menu as shown in the screen below. Once the sub-menu is visible, simply
mouse click on one of the options in the pull-down menu.
You can adjust the rate of occurrence in the Settings… menu item. To access
this menu item, click on the Simulation menu followed by the Settings…
menu item. Next, click on the Flight Failures listing. You can bring forth
the Flight Failures options by clicking on the [+] (plus) or by double-clicking
on the Flight Failures listing itself. To adjust the frequency of occurrence, click
on the value, as indicated in the column to the right of the probability
indicator.
Settings section on page 103 discusses the Flight Failures options in detail.
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.
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