Which of the following can trigger a battle override?

A battle override is a critical response mechanism in gas turbine systems meant to ensure safety and operational integrity under certain adverse conditions. High GTE (Gas Turbine Engine) vibration can indeed trigger a battle override because excessive vibration is often indicative of potential mechanical failure or abnormal operational conditions.

When a turbine experiences high vibration, it may be at risk of structural damage or undue stress, which could lead to catastrophic failures if not addressed promptly. The battle override system is designed to handle such scenarios by automatically adjusting engine parameters or limiting power to prevent further damage.

On the other hand, while low fuel pressure, high turbine temperature, and low oil pressure are also important parameters to monitor within turbine operation, these conditions typically invoke different forms of protective measures or alerts rather than a battle override. Low fuel pressure may lead to power loss, high turbine temperature could signal overheating, and low oil pressure might cause lubrication issues. Each of these parameters is crucial for safe turbine operation, but their impact triggers respective safeguards that are different from the immediate and critical response action prompted by excessive vibration.