A certificated mechanic shall not exercise the privileges of the certificate unless what condition has been met?

A certificated mechanic must meet specific conditions to exercise the privileges associated with their certificate. One critical requirement is that the Administrator has assessed their capability to perform the work or that they have gained practical experience by serving as a mechanic under the certificate for at least six months. This ensures that the mechanic is not only knowledgeable but also has the necessary hands-on experience to safely and effectively perform maintenance and alterations on aircraft.

This requirement emphasizes the importance of both theoretical knowledge and practical application, as both are essential for ensuring safety in aviation. Without this condition being satisfied, a mechanic may not have the proper skills or experience to uphold the high safety standards required in the aviation industry, which could lead to hazardous situations.

The other choices do not reflect the necessary conditions set by the FAA for exercising the privileges of a mechanic's certificate. They either focus on unrelated criteria or do not incorporate the essential experience requirement that enhances the quality of maintenance work in aviation.