§ 147.19 Instructor requirements.
Each certificated aviation maintenance technician school must:
(a) Provide qualified instructors to teach in a manner that ensures positive educational outcomes are achieved;
(b) Ensure instructors either—
(1) Hold a mechanic certificate with one or more appropriate ratings; or
(2) If they do not hold a mechanic certificate, are otherwise specifically qualified to teach their assigned content; and
(c) Ensure the student-to-instructor ratio does not exceed 25:1 for any shop class.