Motorboats. Regulating equipment, inspection, and manning of certain motorboats, report to accompany S. 3305 [to amend laws for preventing collisions of vessels, to regulate equipment of motorboats on navigable waters of United States, to regulate inspection and manning of certain motorboats which are not used exclusively for pleasure and those which are not engaged exclusively in fisheries on inland waters of United States, and for other purposes]:v submitted by Mr. Vandenberg.