This is version 12.0 of the manual to Plane Maker. Troubleshooting and How to File a Bug Report.Changing the Visibility of an Aircraft's Parts.Modifying the Appearance of an Aircraft.Designing an Artifical Stability System.Modeling Additional Features of an Aircraft.Selecting and Configuring System Warning Sounds.One-way rheostats (gen_rheostat_one_way).Properties Common to All Generic Instruments.Configuring Instrument Performance Ranges, Display Limits, and Colors.Setting Up Electrical, Hydraulic, and Pressurization Systems.Working with Twin- and Multi-Engine Aircraft.Working with Engines That Turn Propellers.Setting the Location of the Tow Hook, Winching Hooks, Boarding Door, and Refueling Port.Setting the Gear's Type, Size, and Position.Customizing a Wing's Pieces (for Incidence, Size and Position).Specifying Ailerons, Elevators, and Other Surfaces.Adding Ailerons, Flaps, and Other Control Surfaces.An Overview of the Plane Maker Workflow.Licensing of Aircraft Created in Plane Maker.