Sofema Aviation Services (SAS) Considers essential differences in design philosophy between FAR/CS-23 (small aircraft – typically ≤ 19 passengers or ≤ 12,500 lbs MTOW) and FAR/CS-25 (transport category aircraft), with a focus on the most technically rigorous, regulatory-aligned, and safety-driven perspective Introduction The design philosophy of CS/FAR-23 aircraft focuses on simplification, affordability, and accessibility, particularly…

CS 25 Flammability Considerations review by Sofema Aviation Services (SAS) www.sassofia.com Introduction At the very core of flammability compliance for aircraft, interiors are regulation Section 25.853 and part 25, appendix F, part I, which details the test criteria. Section 25.855 is also relevant to interiors manufacturers who make products specifically for the cargo compartments of…