What is the oil capacity of the APU oil tank?

The oil capacity of the APU oil tank in the C-130J is indeed 4 quarts. This specification is crucial for ensuring the proper functioning of the Auxiliary Power Unit (APU), which requires an adequate amount of oil for lubrication and cooling during operation. Maintaining the correct oil level is essential for optimal performance and to prevent potential damage or failure of the APU.

Understanding the APU's oil capacity helps personnel in pre-flight inspections and regular maintenance regimes, ensuring that the unit operates efficiently and reliably. Having familiarity with these specifications is a vital aspect of the training and operational responsibility of C-130J crew members.