UAS Remote Pilot Practice Exam 2025 - Free Remote Pilot Practice Questions and Study Guide

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What effect does a rearward center of gravity have on the stability of a UAS?

More stable at lower speeds

More stable at all speeds

Less stable at all speeds

A rearward center of gravity in a UAS (Unmanned Aircraft System) negatively impacts its stability, making it less stable at all speeds. When the center of gravity shifts backward, the aircraft can experience numerous aerodynamic issues, causing increased sensitivity to control inputs. This makes it more prone to oscillations and difficulty in maintaining steady flight, especially when maneuvering or responding to external disturbances, such as wind. As a result, the aircraft becomes harder to pilot, and it can lead to challenges in maintaining controlled flight as the rearward shift decreases the stability margin. A properly balanced center of gravity is essential for stable and predictable flight characteristics in a UAS.

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Less stable at lower speeds

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