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25.856-2A - Installation of Thermal/Acoustic Insulation for Burnthrough Protection

Date Issued
July 29, 2008
Responsible Office
ANM-115,  Transport Airplane Directorate
Description

This AC provides guidance for the test method to determine burnthrough resistance of thermal/acoustic insulation materials installed in transport category airplanes. This guidance applies to airplanes required to comply with § 25.856 and part VII of Appendix F to 14 CFR part 25.

Cancels
Number Title Date
25.856-2 Installation of Thermal/Acoustic Insulation for Burnthrough Protection 01/17/2006