AC 65-12A, ADVISORY CIRCULAR, AIRFRAME & POWERPLANT MECHANICS POWERPLANT HANDBOOK (1976)
AC 65-12A, ADVISORY CIRCULAR, AIRFRAME & POWERPLANT MECHANICS POWERPLANT HANDBOOK (1976)., This advisory circular is printed for persons preparing for a mechanics certificate with a powerplant rating. It is intended to provide basic information on principles, fundamentals, and technical procedures in the areas relating to powerplant rating.