Introduction to EASA Airworthiness Requirements presented by Sofema Aviation Services (SAS) www.sassofia.com Introduction As we should now understand ICAO describes continuing airworthiness as follows: “All of the processes ensuring that, at any time in its life, an aeroplane complies with the technical conditions fixed to the issue of the Certificate of Airworthiness and is in…

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…

The starting point of course has to be to understand the work load, which is a combination of scheduled and unscheduled. The scheduled workload is a combination of work derived from the Aircraft Maintenance Program AMP and additional works, whether company generated or regulatory driven. The MPD is a dynamic document and subject for a…

Introduction  – Service Information the following is offered as a basic understanding of the typical documents we see issued by the Manufacture and OEM. Maintenance Tip (MT) – Service Letter (SL) – Service Bulletin (SB) –Vendor Service Bulletin (VSB) The term “service information” is used  to encompass the various forms of notification that a manufacturer…