Which of the following actions would violate FAR 91.113 regarding right of way?

According to FAR 91.113, which governs the right of way among aircraft, pilots are required to follow specific rules to ensure safety in the airspace. The correct statement regarding a violation of these rules is that a pilot does not yield to an aircraft that is towing. Under the regulations, if a helicopter is in a situation where it is approaching an aircraft that is towing, it must yield the right of way to that aircraft. This is crucial for maintaining order and preventing potential collisions, as towing operations often involve essential maneuvers that require the towing aircraft to have unimpeded movement.

In contrast, the other choices reflect proper adherence to the right-of-way rules. When a helicopter is overtaking another helicopter, it must yield, which follows the guidelines for overtaking situations. Likewise, a glider does indeed have priority over helicopters due to its status as an unpowered aircraft engaged in specific operations. Additionally, while it is true that a fixed-wing aircraft does have precedence over a helicopter in many cases, there are exceptions depending on the situation, such as when the helicopter is in a landing approach.