What should you do when approaching another vessel head-on?

When approaching another vessel head-on, the appropriate action is for both vessels to alter course to starboard. This is based on the navigational rules that dictate how to avoid collisions at sea. By turning to starboard, both vessels will be moving to their right, helping to create a clear passage between oncoming vessels and significantly reducing the risk of collision.

This maneuver aligns with the general rule of navigation that requires vessels to give way to other vessels when there is a risk of collision. Altering course to starboard is a standard practice that fosters safer navigation and is universally acknowledged among mariners, thereby promoting consistent and safe behavior on the water.

Other options, such as speeding up to pass quickly or maintaining course and speed, can increase the risk of an accident as they do not address the necessary action of avoiding a head-on situation. Signaling the other vessel to stop is also inappropriate, as it does not facilitate safe navigation and could lead to confusion or misunderstanding between vessels.