Which aircraft has the lowest priority right-of-way according to FAR's priority of converging aircraft?

The correct option is associated with rotary aircraft, which have the lowest priority in the right-of-way hierarchy as per the Federal Aviation Regulations (FAR). According to FAR 91.113, the order of priority for aircraft converging is specified based on the type of aircraft.

In the context of converging situations, the hierarchy is structured such that the balloon has the highest priority, followed by gliders, then fixed-wing aircraft, and lastly, rotary-wing aircraft. This order is established to promote safety in the airspace, as each type of aircraft has different operating characteristics and maneuverability.

Rotary-wing aircraft, like helicopters, often operate in varied environments including urban areas with obstacles and lower altitudes, which influences their ability to yield right-of-way. This prioritization helps in incidents where multiple types of aircraft are converging, ensuring that those with more maneuverability and operational versatility (like gliders and balloons) are given precedence. Understanding this hierarchy aids pilots in making prudent decisions during flight operations, particularly in busy airspace.