What is the primary advantage of using Static rope in rescue operations?

The primary advantage of using static rope in rescue operations lies in its low stretch under load. Static ropes are designed to maintain their length when weight is applied, meaning they will not elongate significantly during a rescue scenario. This characteristic is crucial in situations where stability and predictability are essential, such as when securing victims or performing high-angle rescues. The lack of stretch reduces the risk of dynamic forces affecting the rescue operation, providing better control and safety for both the rescuer and the victim.

The other options, while potentially beneficial in different contexts, do not provide the same level of critical safety assurance. Higher flexibility may be advantageous in other applications, but it can increase the risk of dynamic impact in a rescue scenario. Ease of carrying is indeed a practical feature, but it does not impact the effectiveness of the rope during a rescue. Finally, lower cost may make a static rope more appealing from a budgetary perspective, but it is the low stretch characteristic that significantly enhances safety and reliability in rescue operations.