| Aspect | Base Maintenance | Line Maintenance |
|---|
| Certifications | Aircraft Maintenance Technician (AMT), FAA or EASA licenses | Same certifications as Base Maintenance |
| Work Environment | Hangar-based, comprehensive checks, heavy repairs | On-aircraft, quick turnarounds, routine inspections |
| Tasks | Major repairs, overhauls, structural work | Daily inspections, troubleshooting, minor repairs |
| Industry Usage | Airlines, MROs, aircraft manufacturers | Airlines, charter operators, maintenance providers |
Base Maintenance involves extensive repairs and overhauls in a hangar setting, requiring specialized certifications. Line Maintenance focuses on routine, quick-turn inspections and minor repairs directly on the aircraft during turnaround times. Both roles require similar certifications but differ mainly in scope and work environment.