Which part of Title 14 of the CFR contains the standards of performance for inspection authorization holders?

Title 14 of the Code of Federal Regulations (CFR) outlines various regulations governing aviation in the United States. The standards of performance for inspection authorization holders are specifically detailed in Part 43. This part covers the maintenance, preventive maintenance, and alterations of aircraft and includes guidelines on how inspections must be conducted. It sets forth the requirements that mechanics and inspection authorization holders must follow to ensure the airworthiness and safety of aircraft.

Parts 61, 91, and 135 of the CFR address other areas of aviation regulations. Part 61 focuses on certification of pilots and flight instructors, Part 91 pertains to general operating and flight rules, and Part 135 covers operating requirements for commuter and on-demand operations. While all of these parts are essential to aviation regulations, they do not relate directly to the performance standards required specifically for inspection authorization holders as outlined in Part 43.