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91. Which of the following is considered the normal operational range from a SART unit to a surface vessel?
A SART unit's normal operational range to a surface vessel is 5-10 nautical miles due to its short-range, line-of-sight design using 9 GHz radar transponder technology. This range is limited by antenna heights, Earth curvature, and signal strength, and is consistent with GMDSS training and practical experience.
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