546 NICHOLLS'S SEAMANSHIP AJSD NAUTICAL KNOWLEDGE The certificate of registry is inspected by Custom House officers at home and abroad every time the ship is entered inwards or outwards at a port. The Shipping Office routine with regard to depositing the Register, the crew's articles of agreement and recorduig changes m the crew as carried out at a homo port in the Mercantile Marine Office is transacted abroad by tho British Consul. Anchors and Chain Cables Act.—A certificate is granted by a Lloyd's Proving House licensed by the Board of Trade for the testing of anchors and chain cables according to this Act. Refer back to pages 122 and 123. The Freeboard and Load Line Certificate is granted by the Board of Trade, or by one of the three assigning authorities, and subsequently ratified by the J3oard of Trade. Refer also to pages 376 to 378. Life-Saving Appliances Safety Certificate.—The* Marino Department of the Board of Trade is charged with the responsibility of ensuring that the Rules and Regulations relating to the Safety of Life and Property at Sea are complied with. The surveyors are departmentalised as Engineer, Shipwright and Nautical Surveyors ; the engineers attend to the engines and boilers; the wrights to the hull and structure ; the nauticals to the navigational and life-saving appliances. The duties of each may occasionally overlap. Cargo Vessels are granted a L.S.A. Certificate by the Board , of Trade after inspection of life-saving appliances, lights, sound signals, etc. The Surveyors are at liberty to board British ships at any port in the U.K. to make this inspection or they may be called in for the purpose. The period of validity of this certificate is not specified, but they are renewed from time to time, Passenger Vessels.—When a passenger vessel is to be surveyed, the hull is examined in dry dock and cables ranged, shackle pins removed and replaced, and her certificate of cables and anchors verified. All holds and bilges are thoroughly cleaned and examined Boats, davits and equipment, life-saving appliances, lights, signals, compasses, lifebelts and lifebuoys, fire-extinguishing apparatus, £te.f all inspected and passed; boats lowered into the water and