OV-10 Black Pony caused program crash when "fly" clicked, on account of a FlightGear problem reading ponysplash file. It's a pretty picture of the Black Pony if you click on the file itself. However, FlightGear
has a problem with it.
Deleting Documents>FlightGear>Aircraft>org.flightgear.faddon>Aircraft>OV-10>ponysplash after OV-10 installation bypasses the file enabling program to run. Since the ponysplash file is merely displayed during initiation, its absence does not harm the actual program run