Which lifesaving device is often used for reaching victims at a distance?

The use of a rescue buoy or shepherd's crook is essential in reaching victims who are out of immediate reach, such as those in deep water or at a distance from the shore. This equipment is designed with a long handle or extended arm that allows lifeguards to safely extend their reach without putting themselves in danger. The buoy typically has a floatation element, providing both a means of reaching and a method to assist the victim in staying afloat, which is crucial during rescue operations.

In contrast, a life jacket serves the purpose of securing floatation for individuals but does not aid in reaching out to them. A first aid kit is critical for addressing injuries or medical emergencies after a victim has been rescued, but it does not play a role in the actual reaching or rescue process. A signal whistle can be used for communication or calling for help, but it does not provide a physical means to assist a victim at a distance. Thus, the rescue buoy or shepherd's crook remains the most effective and relevant device for extending a lifeguard's reach to safely assist those in distress.