What is the purpose of using a GPS system in aerial applications?

Using a GPS system in aerial applications serves the critical purpose of guiding the aircraft for precise application and recording field data. This technology enhances the accuracy and efficiency of operations by allowing pilots to map out intended routes and specific areas for application. It ensures that the chemical or seed distribution occurs exactly as planned, minimizing overlap and the potential for overspray, which is vital for environmental protection and cost management.

In addition, the GPS system can collect data on application rates and areas covered, which is invaluable for evaluation and reporting purposes. This data collection allows for better decision-making and improvements in aerial application practices over time.

While other choices mention aspects related to aviation and operations, they don't align with the primary functionalities that GPS offers in the context of aerial applications. For instance, while tracking fuel consumption and assisting in navigation are useful, they do not encompass the core purpose of GPS in ensuring precise application and data recording. Moreover, entertainment for the pilot is not a practical or relevant function of a GPS system in this context.