飞机维修工程师（AME）负责飞机维修后的放行（认证）
An Aircraft Maintenance Engineer Category M (AME-M) is responsible for the certification of an aircraft after maintenance, inspection, repair or modification. This is a responsible occupation requiring a high degree of responsibility and skill, which includes:<br><br>certifying the airworthiness of airframe, piston and turbine engines, electrical/electronic systems, propellers, and rotary systems,<br>troubleshooting aircraft structural, mechanical, or electrical systems to identify problems,<br>adjusting and repairing systems according to specifications, technical drawings, manuals, and established procedures,<br>repairing and overhauling aircraft structural, mechanical, or electrical systems,<br>installing or modifying aircraft engines, mechanical, hydraulic, electrical, flight control, fuel and pneumatic systems,<br>dismantling airframes, aircraft engines, or other aircraft systems for repair, overhaul, inspection, and reassembly, and<br>supervising, performing, and documenting routine maintenance.