StacksVerified U.S. regulatory reference

14 CFR §147.19

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Each certificated aviation maintenance technician school must:
  1. (a)Provide qualified instructors to teach in a manner that ensures positive educational outcomes are achieved;
  2. (b)Ensure instructors either—
    1. (1)Hold a mechanic certificate with one or more appropriate ratings; or
    2. (2)If they do not hold a mechanic certificate, are otherwise specifically qualified to teach their assigned content; and
  3. (c)Ensure the student-to-instructor ratio does not exceed 25:1 for any shop class.