What environmental factors can affect the longevity of aircraft fabric covering?

The longevity of aircraft fabric covering is significantly influenced by a variety of environmental factors, and the correct answer encompasses all of these critical elements.

UV exposure can cause the fabric to deteriorate over time, leading to loss of strength and integrity. Moisture, whether from humidity or precipitation, can promote mold and mildew growth or cause the fabric to weaken if it is not properly protected or maintained. Temperature extremes can contribute to fabric degradation as high heat can lead to brittleness while extremely low temperatures may make the fabric more rigid and susceptible to cracking. Additionally, pollutants such as smoke, exhaust fumes, or chemicals in the environment can have corrosive effects on the fabric, further compromising its structural integrity.

By recognizing that multiple factors—UV exposure, moisture, temperature extremes, and pollutants—interact to affect the condition of aircraft fabric, one can appreciate the importance of regular maintenance and protective measures to extend the lifespan of the covering.