| Aspect | Part Time Airframe Powerplant Inspection Authorization | Part Time Airframe Powerplant Mechanic |
|---|
| Certifications | Requires FAA Inspection Authorization (IA) in addition to A&P license | Requires FAA A&P license |
| Work Environment | Performs inspections, approves aircraft for return to service | Performs maintenance, repairs, and inspections |
| Employer & Industry Usage | Used by certified mechanics authorized to inspect and approve aircraft | Used by licensed mechanics performing maintenance tasks |
The main difference is that the Part Time Airframe Powerplant Inspection Authorization holder is authorized to perform and approve aircraft inspections, while the Part Time Airframe Powerplant Mechanic conducts maintenance and repairs but cannot approve aircraft for return to service without the Inspection Authorization.