What is the oil capacity for the APU?

The oil capacity for the Auxiliary Power Unit (APU) is crucial for ensuring optimal performance and preventing mechanical issues. In this case, the correct answer indicates that the oil capacity is 87 fluid ounces.

This measurement is important for the proper maintenance of the APU, as insufficient oil can lead to overheating or component wear, while excessive oil can cause pressure problems or leaks. Familiarizing oneself with the specific oil capacity ensures that the APU operates effectively, thereby maintaining the reliability of the aircraft’s power supply systems when the main engines are not running.

Understanding the oil capacity also plays a significant role in pre-flight checks and routine maintenance, promoting preventive measures against potential failures related to inadequate lubrication. Proper documentation and adherence to the manufacturer’s specifications further underline the importance of knowing this particular capacity.