Certificated mechanics with a powerplant rating may perform

• A. 100 hour inspections required by the FAA regulations on powerplants, propellers, or any components therof, and may release the same to service
• B. Airframe inspections only
• C. All maintenance tasks without limit
• D. Only engine disassembly and tests

Answer: (A)

A certificated mechanic with a powerplant rating is authorized to perform the 100-hour inspections required by FAA regulations on the powerplant, including engines, propellers, and any components of the powerplant, and may release the aircraft to service after completing the inspection. This rating covers work specifically related to the engine and its related parts, not general airframe maintenance, which requires an airframe rating (or additional qualifications). It also isn’t a blanket allowance for all maintenance tasks or for only engine disassembly and tests; the scope is defined by the powerplant rating to include the specified inspections and release to service after those inspections.