This SAE Aerospace Information Report (AIR) describes hydraulic system design and installation to minimize the effects of lightning, especially when the aircraft structure is composite. Techniques for effective electrical bonding, hydraulic system lightning protection, and lightning protection verification techniques are discussed.
There is a need to address the effects of lightning on hydraulic systems in aircraft, especially where there is a significant use of composite materials in the aircraft structure. This is due to the potential structural damage and component failures that could occur. This document addresses this need.