PMA Design Approval – Examples of Exceptions to the PMA Rules for Producing Modifications and Replacement Parts
Example 1:
An aircraft owner or operator may produce parts for installation on their own product without a Parts Manufacturer Approval. The installation of those parts must comply with 14 CFR part 43. If an owner or operator intends to sell these parts for installation in another’s product, then the producing owner or operator requires a Parts Manufacturer Approval.
Example 2:
An air carrier, operating under 14 CFR part 121 or part 135, may produce parts for installation on its own product without a Parts Manufacturer Approval, provided the installation of those parts is approved in accordance with 14 Code of Federal Regulations part 43 and complies with the air carrier's accepted maintenance procedures manual and instructions. If the part is produced with the intent of selling it for installation on a product other than the owner's or operator's, then a Parts Manufacturer Approval would be required.
Example 3:
A part produced by a FAA certificated repair station with the intent of installing it on a type-certificated product that the repair station has in-house for repair. Such parts may not be offered for sale as separate items. See FAA Advisory Circular 43-18, Fabrication of Aircraft Parts by Maintenance Personnel of March 2006, for guidance.
