E.L.
It depends on his age... here are the TX boating laws:
Completion of a boater safety class is required to operate a boat if you were born after September 1, 1984. Boat safety classes are taught by the US Coast Guard Auxiliary, US Power Squadron, and trained volunteers at locations across the state, with online and home-study boating safety course options available upon request.
Who May Operate a Vessel
Operators must meet the age and boater education requirements shown below in order to operate any of the following vessels legally in Texas:
A powerboat powered by a motor of 10 horsepower or more or …
A personal watercraft or …
A windblown vessel over 14 feet in length.
A person less than 13 years of age may operate only if he or she is accompanied on board by a person who is 18 years of age or older.
A person 13 through 17 years of age may operate only if he or she:
Has passed a boater education course approved by the Texas Parks and Wildlife Department or …
Is accompanied on board by a person who is 18 years of age or older.
All persons required to have passed a state-approved boater education course must carry with them on the vessel:
Photographic identification, such as driver’s license or student I.D., and …
A boater education certification card issued by Texas Parks and Wildlife Department upon successful completion of a boater education course.