What must be confirmed about cabin upholstery in aircraft according to current regulations?

Cabin upholstery in aircraft is subject to stringent safety regulations, primarily concerning flammability. This is vital because in the event of a cabin fire, materials that are not flame resistant can exacerbate the situation, increasing the potential for harm to passengers and crew. Therefore, regulations mandate that all materials used in the cabin, including upholstery, must possess flame resistance properties to minimize fire risks. The focus on fire safety is paramount, which is why confirming that cabin upholstery is at least flame resistant aligns with compliance to these important regulations.

The other considerations regarding durability, color matching, and weight, while relevant in terms of overall aircraft design and aesthetics, do not hold the same critical safety implications as flammability. While durability is important for longevity and maintenance, a visually appealing match to the exterior color adds to the overall design coherence. Lightweight materials enhance performance and fuel efficiency, but the primary regulatory concern remains firmly rooted in fire safety. Thus, flame resistance is the decisive factor when confirming compliance for cabin upholstery in aircraft.