14 CFR part 21

New Course Launch: FAA Airworthiness Essentials 14 CFR – Part 21 Now Available on Sofema Online

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FAA Airworthiness

April 15, 2026

Steven Bentley

Sofema Aviation Services (SAS) is excited to share the latest training by Sofema Online (SOL):  FAA Airworthiness Essentials 14 CFR – Part 21 Enrol today What is the training about? This course offers an in-depth overview of Part 21, focusing on the certification processes, requirements for airworthiness, and the responsibilities of manufacturers, applicants, and certificate holders in…

Supplemental Type Certificate (STC) 14 CFR Part 21, Subpart E

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Supplemental Type Certificate (STC) blog image

April 24, 2025

Steven Bentley

Sofema Aviation Services (SAS) considers key features of the FAA STC Process Introduction The Supplemental Type Certificate (STC) process is a critical regulatory mechanism ensuring that modifications to type-certified products are safe, effective, and compliant with FAA standards. Each participant—from the applicant to the FAA, STC holders, and aircraft operators—has specific roles and responsibilities in ensuring…

FAA Suspected Unapproved Parts (SUP) Program Overview and Developments

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Aircraft engine undergoing maintenance in a hangar with open nacelles, representing aviation inspection procedures.

March 26, 2025

Steven Bentley

Sofema Aviation Services (SAS) reviews the current FAA Suspected Unapproved Parts (SUP) Program and considers key features. Introduction The FAA Suspected Unapproved Parts (SUP) Program Office, initiated in November 1995, continues to be a critical initiative for maintaining safety and integrity within the aviation industry. The program aims to proactively identify, address, and remove unapproved parts from the…

General Introduction to FAA Airworthiness Regulations

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An American flag draped over a wooden surface with a white airplane model placed on top, representing FAA airworthiness regulations and aviation compliance.

March 19, 2025

Steven Bentley

Sofema Aviation Services (SAS) provides a brief introduction to FAA Airworthiness Regulations Introduction The Federal Aviation Administration (FAA) is the regulatory body responsible for overseeing civil aviation in the United States. Established in 1958 under the Federal Aviation Act, the FAA ensures the safety, security, and efficiency of the National Airspace System (NAS) through the…