[biff]

Stick it buddy. I was fabricating carbon fiber parts for Indy cars 20 years ago. In case you don’t know it the term plastic has been used for fiberglass and carbon fiber race car parts since before I arrived on the racing scene in 1971.

[TalonDJ]

Oh good. So you do know about those materials. Then let me point at they are already used in planes of all sizes. If you know half as much as you are implying about composites then you should know they are fine for use in aircraft and can be made to use in the same parts as aluminum in thin skin applications.