The required waiting period before checking tire pressure is designed to ensure what?

The correct answer emphasizes the importance of allowing engine heat to dissipate before checking tire pressure. When aircraft engines are operating, they generate significant heat, which can transfer to surrounding components, including the tires. This heat can cause the air inside the tires to expand, resulting in artificially inflated pressure readings. By ensuring that there is a waiting period for the engine heat to dissipate, you can achieve a more accurate tire pressure measurement, reflecting the true condition of the tires rather than one influenced by residual heat from the engine.

This practice is crucial for maintaining optimal tire performance and safety, as incorrect tire pressure can lead to poor handling and increased wear on the tires, along with potential safety hazards during operations. Thus, the waiting period for checking tire pressure is specifically aimed at obtaining reliable pressure readings that are not skewed by external heat sources.