What action should be taken if the engine oil quantity caution appears while on the ground?

• A. Start the engine
• B. Check the fuel flow
• C. Do not start the engine
• D. Evacuate the aircraft

Answer: (C)

When the engine oil quantity caution appears while on the ground, it is crucial to do not start the engine. An oil quantity caution indicates that the oil level is low, which can lead to insufficient lubrication and potentially cause severe engine damage if the engine is started under these conditions.

Addressing the oil quantity issue before engine operation is necessary to ensure the aircraft operates safely. It is essential to conduct a thorough inspection of the oil level and refill it if necessary according to the manufacturer's guidelines. Starting the engine without correcting the oil deficiency puts the engine at risk and could lead to catastrophic failures, ensuring that the aircraft remains airworthy and safe for subsequent operations is a priority.