What is the purpose of a rigging fixture?

The purpose of a rigging fixture is primarily to maintain correct measurements and angles during the rigging process. This is essential in aviation because accurate rigging ensures that control surfaces, such as ailerons and elevators, are aligned properly for optimal flight performance. When rigging is executed correctly, it helps to ensure that the aircraft responds accurately to pilot inputs, thus enhancing safety and reliability.

In this context, the use of a rigging fixture becomes crucial. It provides a stable and precise reference point, allowing technicians to set up the control surfaces according to the manufacturer's specifications. This precision helps to prevent issues such as uncoordinated flight or control surface malfunctions.

Other options, while they may have their merits in different contexts, do not accurately describe the function of a rigging fixture. For instance, enhancing visual appeal, reducing weight, and determining fuel efficiency are not related to the primary task of rigging fixtures in maintaining the necessary geometric relationships needed for safe aircraft operation.