No, when Microsoft designed the airplanes, they only had in mind one side and mirrored the a copy of one side to the other. So in other words, you will not be able to reverse the lettering.
Project Kfir! My Gmax page Aircraft modeler/Aircarft painter
Aye the key! [GeneralEngineData] //0=Piston, 1=Jet, 2=N