What is required for a person younger than 26 years old to legally operate unaccompanied a vessel with a motor of 10 horsepower or more?

To legally operate a vessel with a motor of 10 horsepower or more unaccompanied, a person younger than 26 years old typically needs to complete a state-approved boating safety course and obtain a boating safety certificate. Additionally, they must adhere to any specific regulations set by their state, which may include age restrictions and operational guidelines. It's essential to check local laws, as requirements can vary by jurisdiction.