RedactedNarrative: On 09/12/2022 Operator was driving V1 traveling east in the Gulf of Mexico. Operator stated that "Course Hold" was activated, and he was sitting at the helm. Suddenly he felt an impact and his passenger fell out of the boat. Operator stated he never saw what he hit. The vessel struck a buoy that was equipped with a light and the light was working. The buoy was also visible on the navigation screen.