Sofema Aviation Services (SAS) www.sassofia.com considers the process whereby Certification Specification Maintenance Certifying Staff (CS-MCS) is derived from source data. Introduction Concerning the Obligations for a TCH to provide the OSD-MCS: The introduction of the OSD in the Basic Regulation created the obligation for the Type Certificate Holder to provide the “minimum syllabus” for maintenance certifying staff…

Sofema Aviation Services (SAS) www.sassofia.com looks at the compliance obligations related to the requirements of Certification Specification – Maintenance Certifying Staff Data CS-MCSD CS-MCSD is applicable to Group 1 aircraft as defined in point 66.A.5 of Part-66, in respect of which EASA establishes and notifies to the applicant the operational suitability data (OSD) certification basis in accordance with Part 21. CS MCSD.430 Maintenance areas of special emphasis (MASE) Maintenance areas of special emphasis (MASE)…