Final answer:
The flight plan Sequence Next function in Auto Mode enables an aircraft's flight management system to automatically proceed to the next waypoint, enhancing safety and efficiency by reducing pilot workload and human error.
Step-by-step explanation:
The flight plan Sequence Next function when in Auto Mode is crucial for the operation of an Unmanned Aerial Vehicle (UAV) or any automated aircraft. When an aircraft is set to Auto Mode, this function allows the onboard flight management system to automatically proceed to the next waypoint or phase in the flight plan without manual input from the pilot. This ensures a seamless transition between stages of the flight plan, which is especially important for long-distance or complex routes where constant pilot input would be impractical.
Furthermore, sequence next in flight plans significantly enhance safety by reducing the chances of human error and allowing the pilot to focus on monitoring the system and handling unexpected situations. This autopilot feature is an example of the sophisticated automation that is increasingly common in modern aviation technology.