What are the three categories of TDs?

The three categories of Technical Directives (TDs) in the Navy Naval Aviation Maintenance Program (NAMP) are indeed Urgent, Routine, and Immediate action. Each category serves a specific purpose in managing aircraft and equipment safety and readiness.

Urgent directives are issued when there is a situation that poses a significant risk to personnel or equipment and requires prompt action to resolve. These are critical to ensure safety and operational integrity.

Routine directives, on the other hand, address maintenance actions that are necessary but do not require immediate implementation. They contribute to standard procedures and are planned over a more extended timeline, thus maintaining the overall functionality and reliability of aviation systems without rushing actions.

Immediate action directives are similar to urgent ones but convey an even higher priority and demand for rapid response, typically regarding serious defects that could lead to catastrophic failures if not addressed immediately.

Recognizing these categories helps ensure that maintenance personnel can prioritize their actions effectively and maintain safety and efficiency in aviation operations.