Table 1. Aircraft maintenance certificate of FAA and EASA

FAA category	EASA category
-Mechanics-Repairmen	-A: Maintenance Certifying Mechanic-B1: Maintenance Certifying Technician(Mechanical)-B2: Maintenance Certifying Technician(Avionic)-B3: Piston-engine aeroplane of 2,000kg MTOW & below-C: Base Maintenance Certifying Engineer

MTOW: Maximum take-off weight