Which type of rope rescue system is characterized by using a single rope?

The type of rope rescue system characterized by using a single rope is known as a simple system. Simple systems are designed for straightforward applications where the complexities of multiple ropes are not necessary. They often involve a single line that serves multiple purposes, such as lowering or raising a victim, and can be easily managed by the rescuer. This simplicity makes it an effective choice in situations where a quick and efficient response is needed.

The use of a single rope reduces the potential for confusion or complications that can arise with more complex systems, ensuring that the rescuer can focus on the task at hand without getting overwhelmed by equipment management. Simple systems are particularly advantageous in environments where quick action is critical for victim safety.