What is the minimum hole inspection requirement after the first and fifth hole?

The correct answer is determined based on standard practices in aerospace assembly and inspection processes. After inspecting the first and fifth holes of a series, the minimum requirement typically calls for an inspection to occur at a specified interval thereafter to ensure consistency and adherence to safety and quality standards.

In this case, the standard procedure dictates that inspections should be conducted every tenth hole after the initial inspections. This allows for a balance between thorough quality assurance and operational efficiency within the assembly process. Regular inspections at this interval help to minimize the risk of defects in later holes while also conserving time and resources by not requiring inspections for every single hole.

This approach aligns with aerospace industry best practices, which emphasize both the reliability of components and the efficiency of inspection protocols, ensuring that production remains on schedule while also maintaining high standards of safety and quality.