This advisory circular provides guidance on compliance with airworthiness standards for transport category airplanes regarding fuel tank flammability. It outlines methods to limit the time a fuel tank may be flammable and mitigate hazards from flammable fuel-air mixtures. The document applies to new, amended, or supplemental type certificates and certain existing design approvals. It includes definitions, compliance demonstration methods, and regulatory background. The circular also discusses the development of Critical Design Configuration Control Limitations (CDCCL) to maintain fuel tank safety.
documents/EFTA00796624.pdf
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