On Jul 31, 2:30 pm, "Gig 601XL Builder" wrDOTgiaconaATsuddenlink.net
wrote:
wrote:
I have run across someone who insists that
6061 T6 is not "aircraft grade aluminum".

He claims that there are no certified parts made
from 6061. I find that hard to believe. Aren't there
certified aircraft with welded aluminum frames?

FF

The LSA certified Zeniths are 6061-T6.

Aha!.

I see that Aircraft Manufacturing & Development Co. (AMD)
sells FAA certified SLSA Zodiacs.

--

FF