What is an essential feature of a Small Unmanned Aircraft (UA)?

The correct choice reflects that a Small Unmanned Aircraft can be operated without direct human intervention, which aligns with the fundamental purpose of unmanned systems. Specifically, this means that the aircraft can be controlled autonomously or semi-autonomously through pre-programmed flight plans or real-time data inputs, allowing for various applications such as surveying, photography, and inspections without needing a pilot physically present in the aircraft.

This capability to operate independently is significant because it differentiates unmanned aircraft from manned ones, emphasizing advancements in technology that allow for greater versatility and efficiency in various industries. The development of autonomous systems enhances the ability to accomplish tasks in environments that might be dangerous or difficult for human pilots to navigate.

The other options present characteristics that do not define the essential features of Small Unmanned Aircraft. For instance, requiring a licensed pilot is not a requirement for the operation of small unmanned aircraft under the FAA's rules; instead, operators must obtain a Remote Pilot Certificate. The stipulation regarding maximum flying range is also misleading, as small unmanned aircraft have varying ranges dependent on design and purpose, with no universal 30-mile limitation. Lastly, while some unmanned aircraft can carry payloads, it is not a requirement that they must carry a specific