What type of rope may be used as a safety line?

The correct type of rope that may be used as a safety line is static rope. Static rope is designed to have minimal stretch, which is essential for safety applications where it is crucial to maintain control and prevent dynamic forces during a fall. Its low elasticity allows for a stable and secure anchor point and is commonly utilized in rescue operations, climbing, and other activities that require secure positioning.

While handlines, dynamic ropes, and accessory cords have their specific applications, they do not fulfill the criteria for safety lines effectively. Handlines are primarily used for hauling tools or materials and are not designed for bearing a load in a safety capacity. Dynamic ropes, on the other hand, are designed to stretch and absorb the energy of a fall; therefore, they are not ideal for situations where a fall must be prevented without significant movement. Accessory cords are typically used for less critical applications, such as tying down gear or creating auxiliary loops, and lack the strength and safety considerations required for a safety line.

Therefore, the static rope is the optimal choice for a safety line, providing both reliability and security in critical situations.