Not so fast, Ron. I agree with your statement that YOU can write up a list
of specifications, do any drawings necessary, and go to a machine shop to
actually fabricate the part.

This is a horse of a different cruller. He took MY parts and MY drawings,
and simply handed them off to another person to fabricate. In my opinion
(and my opinion only) this is one step removed from your scenario. In this
case, the owner was simply taking a design in with his left hand and
transferring it to the fabrication shop with his right hand. I'd argue that
the spirit, if not the law, of 21.303(b)(2) was violated.

Jim



"Ron Natalie" wrote in message
m...
RST Engineering wrote:

Not so fast Jim. I can't say based on the limitted info presented by the
original poster, but your statement isn't true on face value. The FAA
doesn't require the parts under the owner-produced rule to actually be
constructed by the hand of the owner. If I need a part made, I can go
write up a list of specifications, go to a machine shop, have it made up
to those specifications, inspect it to verify that the work has been done
properly, and then have it installed.