Which of the following is NOT a required skill for descending a fixed line?

In the context of descending a fixed line, performing aerial maneuvers is not a required skill. The primary objectives during a descent include controlling descent speed and adjusting friction to maintain safety and stability while on the line.

Controlling descent speed is essential to ensure safety, avoiding a fall that can occur if descent is too rapid. Adjusting friction allows for better management of the speed of descent, which is crucial when navigating varied terrains or working with different rope systems.

While reading terrain conditions can enhance situational awareness and inform descent strategy, aerial maneuvers involve skills that go beyond basic descending techniques. These maneuvers may include more advanced tactics that are generally not required for a safe descent on a fixed line. They might be relevant in rescue or climbing scenarios but are not essential for the fundamental skill set needed to descend safely.