USPA Skydiving B License Practice Test 2025 - Free Skydiving License Practice Questions and Exam Preparation.

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What does "slipstream" refer to in skydiving?

The path of air created by a falling skydiver

"Slipstream" refers to the path of air created by a falling skydiver. As the skydiver descends, their body moves through the air, resulting in a disturbance in the surrounding airflow. This disturbance is what we call a slipstream, and it plays a crucial role in the dynamics of freefall and canopy flight.

Understanding slipstream is vital for skydivers, as it can affect the performance of other jumpers and the parachute above them. When multiple skydivers exit the aircraft simultaneously or are in close proximity during freefall, the slipstreams can interact, causing alterations in speed and direction. This knowledge helps skydivers maintain proper spacing and control during freefall to ensure safety and stability for all jumpers involved.

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The speed at which a jumper falls

The effect of air on the parachute during descent

The directional airflow used in landing

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