Basic Aircraft systemFittings and Lines of Hydraulic System Basic Aircraft Systems Hydraulic System RIGID FLUID LINESA single aircraft typically contains several different types of rigid fluid lines. Each type of line has a specific application. However, as a rule, rigid tubing is used in: Stationary applications Long, relatively straight runs Systems that typically utilize rigid tubing include fuel, oil, oxygen, and instrument systems.Basic Aircraft Systems Hydraulic System RIGID FLUID LINESMAT
