Drew Dalgleish wrote:
Yes but if a "competent person" informs the PIC that the plane is
unairworthy (s)he better have a darn good explanation for flying it.

That's my point. An inspector doesn't have to "ground the airplane" in
any formal manner. He/she just has to state that it's not airworthy.
There's no leeway in the regs for a pilot to decide they don't agree
and fly it anyway.

-R