The operator of any watercraft involved in an accident resulting in injury or death to any person or in damage to property shall immediately stop such watercraft at the scene of such accident and shall give his name, address, the name and/or number of his watercraft and the name and address of the owner to the person struck or the operator or occupants of the vessel or watercraft collided with or property damaged, and shall render to any person injured in such an accident reasonable assistance. (1961 code § 13.09.140.)