What is the total number of supervisory personnel needed for in-flight rigging operations on a C-130J-30?

In-flight rigging operations on a C-130J-30 require a specific number of supervisory personnel to ensure safety and efficiency during the rigging process. The correct answer is based on the fact that in-flight rigging is a complex task that involves various roles, including coordination and management of personnel involved in the loading and securing of cargo, as well as ensuring compliance with safety regulations and operational procedures.

Having a total of 12 supervisory personnel allows for an organized approach where teams can monitor each segment of the operation without overloading individuals with too many responsibilities. This number also accommodates any potential contingencies, allowing for effective communication, operational flexibility, and the ability to address any issues that might arise during the rigging process. Each supervisor typically oversees specific areas, ensuring that every aspect of the operation is adequately managed.

The other options do not provide sufficient supervisory personnel to cover the needed areas of operation for safety and efficiency, which could lead to potential gaps in oversight and risk during these sensitive in-flight operations.