Just a quick look, I see five dissimilar features:
Non retractable tail skid
Auxiliary vertical fins
Landing gear too long
very poor rear view windows
and
the engine turns the wrong way - optional of course.
Just a quick look, I see five dissimilar features:
Non retractable tail skid
Auxiliary vertical fins
Landing gear too long
very poor rear view windows
and
the engine turns the wrong way - optional of course.