What is the function of interlocks in boating safety?

Interlocks serve a critical safety function in boating by automatically turning off the engine or activating an alarm in certain situations, such as when the operator is not in a safe position or when there is a risk of falling overboard. This system helps to prevent accidents and ensures that the boat remains safe to operate. When interlocks are engaged, they help protect the operator by reducing the chance of injury from an uncontrolled vessel.

The other options, while related to boating operations, do not accurately describe the primary purpose of interlocks. Enhancing propulsion refers to improving the boat's speed or efficiency, which is not the role of interlocks. Monitoring water depth is typically handled by depth sounders or sonar equipment, which help the operator avoid shallow areas but do not contribute to the immediate safety mechanisms that interlocks provide. Likewise, controlling the speed of the boat involves throttle and propulsion systems, separated from the safety functions that interlocks are designed to perform.