| Aspect | Designated Flight Examiner | Flight Instructor |
|---|
| Credentials | FAA or relevant authority certification, examiner authorization | Instructor certification, CFI license |
| Work Environment | Conducts exams, evaluates pilot proficiency | Teaches and trains students |
| Employer & Industry Usage | Regulatory authority, flight schools, airlines | Flight schools, private training |
The main difference is that a Designated Flight Examiner is authorized to conduct official pilot exams and certify pilots, while a Flight Instructor focuses on training students and developing their flying skills. Both roles require specific certifications, but their responsibilities and authority levels differ significantly.