![Parts Manufacturer Approval](https://sassofia.com/wp-content/uploads/2020/01/faa-parts.png)
Sofema Aviation Services considers the design & certification process by which PMA Approval is a combined FAA design and manufacturing process. Note: Only minor changes or improvements from the original OEM part are allowed in a PMA design. (Significant changes require a Supplemental Type Certificate.) Determination of Criticality The PMA Applicant will have to determine…