What is the primary responsibility of the aviation operations department?

The primary responsibility of the aviation operations department is to create daily flight schedules. This task is essential for ensuring that all flight missions are organized efficiently and that resources, such as aircraft and personnel, are optimally utilized. Daily flight schedules involve coordinating various aspects of aviation operations, including taking into account crew availability, aircraft readiness, and operational requirements. This scheduling process is critical to maintaining the flow of operations and ensuring that missions are executed successfully and safely.

In the context of the other options, managing maintenance schedules, while important, is typically the responsibility of the maintenance department rather than the aviation operations department. Tracking qualifications also falls under other areas, such as training or personnel management, and while handling administrative work is necessary for overall functioning, it doesn't represent the core focus of aviation operations.