Why is the moisture content of wood important in aviation?

The moisture content of wood is crucial in aviation because it directly impacts the weight, strength, and performance characteristics of the material. Wood with high moisture content can be heavier, potentially leading to increased fuel consumption in aircraft. Additionally, as moisture content changes, it can influence the structural integrity of the wood. Too much moisture can lead to warping or cracking as the wood dries out, which can compromise the performance and safety of wooden components in an aircraft.

Moreover, different levels of moisture can affect how wood behaves under stress, making it either more flexible or brittle. Therefore, maintaining the appropriate moisture content is essential for ensuring that the wood used in aviation meets the required performance standards and is safe for use in aircraft construction and repair.

The other options do not address the critical performance implications of wood's moisture content in aviation, which underscores the importance of option C.