Aviation is a vast field that presents a number of topics for a dissertation. You will be able to compare and contrast sustainable solutions for the aviation industry, the global effects of COVID-19 on airline operations, innovative technologies that enhance airline safety, or the economic consequences of airline mergers. One more interesting subtopic is the application of AI in traffic control in the sphere of aviation. These topics are appropriate for aviation dissertation topics because they allow the authors to respond to current issues and make significant contributions.