BS ISO 2100-311. Aerospace elements of electrical and optical connection. Test methods. Part 311. Low air pressure|Environmental testing, Hose clips, Weight (mass), Designations, Seals, Aircraft components, Damp-air tests, Clamps (mechanical), Hose connectors, Pipe connections, Electrical components, Fibre optic connectors, Size, Torque, Standards, Damp-heat tests, Fibre optic cables, Stoppers, Electric cables, Locking and locating devices, Dimensions, Optical fibres, Electric connectors, Fibre optics, Marking