Is it possible to merge the default 747 version with another 747 I have in my hanger? I prefer the eDimensional version I have.

I can't promise it without trying it first, but it should work.You'd just need to add all the FS2Crew entries to the eDim's panel.cfg (assuming they're using their own panel.cfg file and not aliasing it to the default 747 panel.cfg.)Cheers,Bryan