I just down loaded a XF-11 looks like a p-38 but not quite the body of one it fly's pretty good.This aircraft was designed by Howard Huges. It never made it into production due to a crash that nearly killed the test pilot.

Unfortunately that would not be eligible because there have to be at least 10 built and put into service according to the rules.FSRTW RULES iii. Aircraft Requirements. a) General.Aircraft must meet all of the following requirements to be eligible for use in the race.They must be either: * Piston-powered fixed-wing aircraft. * Turboprop-powered, fixed-wing aircraft of two engines or fewer. * Rotorcraft.In addition at least 10 real-life flying examples of the model, type, and specific version of the simulated aircraft must have been produced and put into service. Finally, the flight simulator model must have been designed for use in FS2002, FS2004 or FSX, and have been openly available to the general public, either as a commercial product or as freeware, at least two weeks before the race.

I just down loaded a XF-11 looks like a p-38 but not quite the body of one it fly's pretty good.This aircraft was designed by Howard Huges. It never made it into production due to a crash that nearly killed the test pilot.

Oh well I guess it is back to the drawing board :(