Which of the following is a sign of a boating under the influence offense?

Having open alcoholic beverages onboard is a clear sign of a boating under the influence offense. In many jurisdictions, including New York, it is illegal to operate a vessel while intoxicated, and the presence of open alcoholic beverages can indicate that the operator may be drinking and could be impaired. This is a critical issue for safety on the water, as alcohol consumption can affect judgment, coordination, and reaction times, significantly increasing the risk of accidents.

Using navigation equipment, following safety regulations, and catching fish while fishing do not suggest any indication of impairment or illegal behavior related to alcohol consumption. Instead, these actions reflect responsible boating practices and compliance with safety measures. Therefore, recognizing the presence of open alcoholic beverages onboard as an indicator of potential intoxication is vital for promoting safety in boating activities.