What does the green indicator signify in terms of fuel tank capability?

The green indicator signifies that the fuel tank is fully mission capable, meaning it is functioning optimally and is ready for use without any issues. In fuel handling and management, indicators are often color-coded to quickly communicate the status of equipment. A green signal is commonly associated with go-ahead or readiness, allowing personnel to confidently proceed with operations involving that tank.

In contrast, the other options suggest problems or conditions requiring intervention. Signs of deterioration would imply that the tank is increasingly compromised, while evidence of failure would indicate a significant issue that could hinder operations. Similarly, needing immediate attention denotes an urgent situation that must be addressed before the tank can be considered safe or effective for use. Understanding these various statuses is crucial for maintaining operational safety and efficiency in fuel handling practices.