What does the symbol OEI Max Transient represent?

The symbol OEI Max Transient refers to the maximum allowable torque that can be applied to the engine during one-engine-inoperative (OEI) conditions. This is a crucial metric in aviation as it provides pilots with the limits they should observe to maintain safe and effective control of the aircraft when one engine fails. The transient aspect signifies that this torque level can only be sustained for a brief period, typically during emergency situations, such as engine failure, which allows for maximum thrust output to assist in maintaining altitude or heading.

Understanding this parameter is essential for pilots, especially in multi-engine aircraft, as it directly impacts performance during critical phases of flight where engine reliability becomes paramount. Monitoring and adhering to the OEI Max Transient ensures the longevity of the engine components while optimizing performance in challenging scenarios. The other options do not accurately represent this specific torque limitation related to one-engine-inoperative flight conditions.