Technical Articles

A fire-safety problem aviation had to reduce Aircraft hydraulic systems transmit substantial power through compact pipework, hoses, valves and actuators. When a pressurised line fails, the release may form a fine spray rather than a

Pressure, flow, viscosity and temperature describe important aspects of hydraulic operation. Aerospace hydraulic fire-test integrity A substitute hydraulic fluid may reproduce specified pressure, flow or viscosity. That does not establish that the fire test represents

Fluid susceptibility is not a secondary check Aircraft equipment can encounter hydraulic fluids, fuels, lubricants, cleaning chemicals, de-icing compounds, coolants, disinfectants and operational residues. Exposure may alter seals, coatings, adhesives, cable insulation, connectors, displays, mechanical

Aviation did not progress from MIL-H-5606 to Skydrol through a simple sequence of replacement. Instead, different sectors adopted different hydraulic-fluid families to address different combinations of fire risk, low-temperature performance, maintainability, material compatibility and operational

Why fluid conditioning still matters when demonstrating representative fire performance. A wording change between editions of a fire-test standard does not, by itself, prove that the underlying engineering concern has disappeared. If exposure to hydraulic

Independent Pressure Testing for Hydraulic Hoses, Tubing and Fluid System Components Pressure testing is a critical validation method used to demonstrate the safety, integrity and durability of hydraulic hoses, fittings, manifolds, valves, actuators, accumulators and