What is the purpose of using a drag hook in an active search?

The purpose of using a drag hook in an active search is primarily to locate submerged victims. A drag hook is designed to be pulled through the water to help fishermen, divers, or rescuers reach objects or individuals that may not be visible on the surface. The hook's design allows it to snag onto submerged items, which can include personal belongings, debris, or unfortunately, victims who may be underneath the water's surface.

By employing a drag hook in a methodical search pattern, responders can increase their chances of successfully locating someone in distress. This method is particularly effective in water environments that are murky or have limited visibility. The proactive nature of this tool allows rescue teams to maximize their search efforts in a potentially life-saving scenario, making it an essential part of water rescue operations.

Other options, while relevant to different aspects of water rescue or navigation, do not align with the primary function of a drag hook in this context. Summoning help would involve communication or signaling, while retrieving large objects is generally handled with different equipment suited for that purpose, such as grappling hooks or specialized retrieval tools. Assessing water conditions would typically be done through observation and experience, not through the use of a drag hook.