What is the common issue indicated by a "master caution" alert?

A "master caution" alert indicates a non-critical system failure or malfunction. This alert serves as a general warning to the flight crew that there is an issue that requires attention, but it does not indicate an immediate or grave threat to the safety of the flight.

In aviation, different alerts are categorized based on their severity. While serious situations, such as engine failure, cabin depressurization, or fuel system failure, would trigger more urgent warnings and alerts, a master caution is designed to prompt the crew to check systems that may not be functioning as intended but are not currently critical to safe operations.

This system is essential for maintaining situational awareness and helps prioritize issues that must be addressed without causing undue alarm in the cockpit. Understanding this distinction between critical and non-critical alerts is crucial for pilots and crew members as they navigate complex situations and ensure the safety of their flights.