FAR 25_853
Fire test to aircraft material – Test method - Horizontal Test: 14 FAR 25.853 b(2,3), (App. F to part 25 part I


FAR 25.853 establishes flammability and fire resistance requirements for interior materials used in civil aircraft cabins. The regulation applies to non-structural components including seats, insulation, wall panels, and other passenger-facing materials. The standard requires both vertical and horizontal flame propagation testing to evaluate burn rate, heat release, smoke generation, and toxic gas emissions. Materials must meet strict combustion limits to ensure passenger safety and minimize fire hazard risks during in-flight incidents.

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