documents-for-approved-parts-2The prescribed, that means necessary approval/certification, is a requirement toavoid not approved parts (SUPs). A Parts Manufacturing Approval = PMA demands from the user the certificate, that hisdesign is identical with this of the OEM and correlates with the "type design".Occasionally as part of the PMA utilization, the user submits a design drawing which does not belong to him and for which he has no approval of the owner. In this case the utilizer may usethe drawing of the owner misleadingly and with this violate the law about trading secrets. About the problem of not approved parts, material for training and information can be purchased from the FAA (suspected unapproved parts brochure, decals and video).The report of suspected unapproved parts (SUPs) can be carried out with the form 8120-11 atthe American federal aviation administration FAA. This form can be down loaded in the internet(FAA Forms and Aviation Programs).