"Stu Fields" wrote:
FAR 91.409 involves itself with requiring some sort of special
inspection program for turbine powered rotorcraft. Builders of
Amateur Built turbine powered rotorcraft are being forced to generate
some inspection program documentation to get the airworthiness
certificate.

91.409(e) (and 91.409(b)(4)) specifically state that the owner or operator
of turbine powered rotorcraft may elect to use the inspection provisions of
91.409(a), (b), (c), or (d). Given that, I would think the amateur builders
only need to assert they are exercising the option given to them in (e) and
declare they are operating and certifying under (c), wherein it states that
(a) and (b) do not apply to aircraft with experimental certificates.

So either the FAA (or maybe me!) appears to be misreading 91.409 or the FAA
may simply be cherry picking from 91.409(e) for supporting
reasons/rationale for such an inspect program demand prior to issuance of
an A.C. rather than using it as a regulatory requirement.