Powerplant and propulsion system components are required to carry a satisfactory level of fire resistance. The fire resistance requirements are defined in various FAA publications. This document provides typical pass/fail criteria for powerplant and propulsion system components that are certified by fire tests.
Rationale: Powerplant and propulsion system components are required to carry a satisfactory level of fire resistance. The fire resistance requirements are defined in various FAA publications. Compliance demonstration can be done through various approaches (description, analysis, test, etc.).
When compliance is claimed by test, there is a need to define clear and determinate pass/fail criteria to provide the fire test laboratory a means of evaluating success without any ambiguity.
Fire test anomalies may occur and need to be evaluated post-test by the applicant and the legislator and are covered by a separate AIR.