- Installation of Thermal/Acoustic Insulation for Burnthrough Protection
- Date issued
- Office of Primary Responsibility
- ANM-115, Transport Airplane Directorate
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.
- AC 25.856-2A (PDF)
Cancels Number Title Date 25.856-2 Installation of Thermal/Acoustic Insulation for Burnthrough Protection 2006-01-17