Mississippi law prohibits operating a vessel while impaired by alcohol or drugs to the extent that normal faculties are affected. The determination often stems from officer observations, field assessments adapted for marine conditions, and any chemical test results. On the water, factors such as swerving, collisions, or difficulty controlling the vessel may form the basis for an arrest. Because legal standards focus on impairment rather than a specific behavior, investigators compile multiple indicators before filing charges. Understanding the local context matters: courts in Pike County will review evidence such as officer notes, test administration, and environmental conditions. A defense can challenge whether observations were sufficient to establish probable cause or whether tests were reliable under the circumstances. Early review of reports and records often reveals issues that can be raised in pretrial motions or during plea discussions to seek better outcomes.