Who can complete "elementary work" on a commercial aircraft?

The ability to complete "elementary work" on a commercial aircraft is specifically designed to allow individuals who have received training from a qualified Aircraft Maintenance Engineer (AME) to perform certain tasks. This regulation is important because it ensures that basic maintenance tasks can be conducted by those who may not yet be fully licensed engineers but have received proper training and are under the supervision of a qualified AME.

This allows for efficient workflow in maintenance operations while still maintaining safety and compliance with aviation regulations. The supervision aspect ensures that oversight is provided by a knowledgeable person, thereby minimizing the risk of errors in the maintenance process.

In contrast, the other choices either limit the scope of who can perform elementary work too strictly, such as only allowing licensed AMEs or pilots, or do not ensure a sufficient level of oversight and training. This context highlights the balance between allowing trained personnel to contribute to safety-critical tasks while ensuring that qualified professionals are still directly involved in the process.