What is the primary function of alarms triggered by interlocks during boating?

The primary function of alarms triggered by interlocks during boating is to ensure safety when entering or leaving the water. Interlocks are designed to prevent accidents and enhance safety by managing critical functions of the boat, such as the engine or other onboard systems. When the interlock system detects that certain safety conditions are not met—such as when a person is about to enter or exit the boat without the engine being in a safe state—it triggers an alarm. This helps to alert the operator and those onboard to potential hazards, ensuring that everyone is aware and can take the necessary precautions.

In contrast, notifying other boats, providing direction, or alerting swimmers focuses on different aspects of boating safety and communication, but they do not capture the specific role of interlock alarms, which is primarily geared toward the safety and operational integrity of the vessel itself when people are entering or leaving it. These alarms play a crucial role in preventing mishaps, thereby significantly contributing to overall boating safety.