Hydraulic systems are found in both commercial and military aircraft, converting pressurised fluids to power a variety of components. To reduce maintenance costs, selecting the right hydraulic fluid is essential, and the following introduction provides an insight into what considerations should be taken when choosing the right fluid.
It is vital that any oil selection is based on the OEM approvals and aircraft maintenance manual instructions. We have put together a downloadable full cross reference guide for hydraulic fluid specifications and approvals.