This course combines the knowledge of ship construction and the practical use of stability data to maintain seaworthiness. The course includes the calculation of the forces contributing to the stability of a ship; effect of adding, moving or discharging weights; the free surface effect of liquids and its danger to a listing vessel. The course also includes maintaining the integrity of the vessel's hull and superstructures.
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Upon successful completion of this course, the student will be able to:
Calculate displacement of a vessel.
Calculate draft of a vessel at various loading conditions.
Determine fresh water allowance of a vessel.
Determine new draft after loading/discharging, and shifting weights.
Calculate ship’s centre of gravity, centre of buoyancy, and reserve buoyancy.
Calculate metacentric height (GM).
Calculate free surface effect and apply it to determine effective GM during sea passage.
Calculate trimming moments, change of trim, and determine final drafts after loading/discharging of cargo.
Determine centre of flotation and its importance in trimming of ship.
Use ship’s stability data book for a typical vessel to calculate final drafts and trim.
Use cross curves of stability to draw statical stability curves for loading conditions.
Calculate the area under the GZ curves using Simpson’s rule to determine compliance with IMO load line regulations, 1968.
Calculate final angle of heel after loading/discharging and moving weights on board.
Define basic ship construction terminology.
State periodic survey and statutory requirements for vessel inspection.
Identify damage control techniques for various flooding scenarios.
Explain how the integrity of hull and superstructure is maintained to prevent flooding.
Explain purpose of quick closing valves, fire dampers, and ventilators and fire extinguishing systems.
Effective as of Winter 2019
NAUT 1863 is offered as a part of the following programs:
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