+47. He should report promptly to his owners, and to the U. S. Local Inspectors, all details regarding accidents.+ +48. He must see that orderly conduct is maintained by his passengers as well as his crew—He must regularly inspect the quarters and accommodations assigned to them—must see to the ventilation—warmth—and cleanliness—of sleeping and dining rooms, and the cleanliness of kitchens, pantries, store rooms, bath rooms and lavatories.+ +49. He should be familiar with the regulations of the customs authorities of the ports to which he is trading. He should know the customs districts, ports and sub-ports of entry in the United States.+ +50. He should study the navigation laws of the United States.+ +51. Being MASTER, he should really be a Master Mariner in every sense of the word. He should know his ship, her cargo, whatever it may be, and he should never be satisfied until he is skilled in every branch of the art of navigation and seamanship.+ +52. He has the authority to suspend officers from duty, for cause, and in the case of mutinous conduct at sea, he is justified in putting in irons any member of his crew, or any officer, or passenger, when the safety and discipline of the vessel require such action.+ +53. At sea, or outside any legal jurisdiction, he is justified, as a matter of protecting the lives and property in his care, to take human life, when other measures are inadequate to this end.+ +54. He may be called upon to set a leg, or saw it off—to deliver a woman in childbirth—to perform the marriage ceremony—or to read the burial service at sea.+ +55. In the event of disaster; he must see to the safety of all hands, passengers and crew.+ +56. When his vessel founders, he must be the last man to leave the ship.+ CHAPTER II LAWS AFFECTING THE DUTIES OF THE MASTER The principal laws of the United States affecting the duties and responsibilities of the Master are appended. Much of the bulk of the law, having to do with the construction of vessels and their fitting, and regulating the methods of inspection and control are omitted, and only those parts are given that directly affect the Master himself. Much of the law, to the mind of a sailor, could be boiled down and simplified—perhaps some day sailors will go to Congress and do this—in the mean time the best that can be done is to make an attempt to unscramble the hodge-podge of rules, regulations, specifications, penalties, and what not, that fill the bulky red volume issued by the Bureau of Navigation, Department of Commerce. Master's oath of citizenship. Upon making application for registry of a vessel.