Which tools are commonly used for calculating payload distribution?

The choice of weight and balance charts and computer software as tools for calculating payload distribution is spot on due to their precision and efficiency in aviation operations. Weight and balance charts are essential as they provide standardized values and guidelines for loading an aircraft correctly. They help ensure that the center of gravity remains within safe limits, which is critical for the aircraft's stability and performance.

Computer software offers advanced analytical capabilities, allowing for quick and accurate calculations that factor in various parameters, such as weight distribution, passenger loads, and cargo placements. This software can simulate different loading scenarios and provide real-time outputs that enhance decision-making in payload distribution.

Comparatively, while load manifests and manual calculations could assist in determining payload distribution, they are typically less reliable and more time-consuming than the software tools and charts that are designed specifically for these calculations. The remaining options, such as flight logs and weather reports, as well as fuel charts and equipment manuals, support different logistical and operational aspects of aviation but do not directly pertain to the calculations required for payload distribution. Thus, the reliance on weight and balance charts alongside computer software stands out as the most effective approach for ensuring accurate payload calculations.