What does the term "net weight" refer to in aviation?

In aviation, the term "net weight" specifically refers to the total weight of the aircraft after accounting for any ballast or non-operational weight. This means that net weight provides a more accurate representation of the aircraft's operational capabilities, as it excludes components that are not actively contributing to its performance, such as fixed weights that are used for balance but do not impact the airplane's flying weight.

By considering net weight, aviation professionals can ensure that they are working with figures that most accurately represent the aircraft's operational state, particularly when calculating performance metrics like payload and center of gravity. This distinction is essential for maintaining safety and efficiency during flight operations.

The other options do not accurately define "net weight." The total weight minus passenger weight, for example, does not encompass all operational factors. Similarly, subtracting operational weight or only including equipment and fuel does not offer a comprehensive picture of the actual weight influencing flight, emphasizing why option C is the correct definition.