(1) For the purposes of a survey, the surveyor may, at any reasonable time, go on board any inland ¹[mechanically propelled vessel], and may inspect the ¹[mechanically propelled vessel] and every part thereof, including the hull, boilers, engines and other machinery, and all equipments and articles on board:
     Provided that he shall not unnecessarily hinder the loading or unloading of the ¹[mechanically propelled vessel], or unnecessarily detain or delay her from proceeding on any voyage.
     (2) The owner, master and officers of the ¹[mechanically propelled vessel] shall afford to the surveyor all reasonable facilities for a survey, and all such information respecting the ¹[mechanically propelled vessel], and her machinery or any part thereof, and all equipments and articles on board, as he may require for the purposes of a survey.