1974•The Aeronautical JournalRequires access
Glass windshields for wide bodied aircraft
W. G. Roberts
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Abstract
For many years most transport aircraft throughout the world have used a common form of windshield construction with a single ply of tempered glass for pressure resistance, combined with a thick polyvinyl butyral interlayer. This interlayer is usually reinforced at the edges with a metal insert and acts as a diaphragm to provide bird impact resistance, and also serves as a secondary load path to contain pressurisation in the event of failure of the primary glass ply.