Final answer:
A towing vessel should display a yellow light to indicate it is undergoing a towing operation, as per International Regulations for Preventing Collisions at Sea (COLREGS). This is a crucial safety measure to prevent collisions and facilitate clear communication at sea.
Step-by-step explanation:
In maritime navigation, specific lighting configurations are required by international law for the safety and communication between vessels at sea, especially during times of limited visibility such as nighttime operations. According to the International Regulations for Preventing Collisions at Sea (COLREGS), a towing vessel should display a yellow light to indicate that it is performing a tow operation. This yellow light is part of a set of lights that are displayed to show the length and nature of the tow to other vessels. This set includes yellow and white lights, where the yellow light is shown from the stern of the towing vessel to indicate the nature of its work. Tugboats in particular, when actively engaged in towing operations, will display this yellow light in combination with other lights to provide clear signals to nearby vessels.
The requirement of a yellow light serves not only as a means of identifying the type of vessel activity, but also aids in the prevention of collisions. Understanding these lighting rules is crucial for anyone involved in marine navigation or maritime law. Moreover, proper lighting ensures the smooth operation of maritime traffic, serving as an international language at sea. Maritime professionals must always adhere to these regulations to maintain safety and operational efficiency.