Chartwork and Pilotage 2640 NAUT 0041

At the end of this course, the student will be able to:

• Determine positions by use of latitude and longitude.
• Describe the Earth with reference to shape, poles, equator, meridians and parallels.
• Define latitude, longitude.
• Determine position by use of graticule system.
• Indicate direction of object with reference to vessel.
• Explain ships clocks and maintaining watches.
• Explain the Mercator, Gnomonic, Polyclonic and Lambert conformal chart projections.
• Discuss type of charts.
• Identify chart abbreviations and information given on charts.
• Plot position on chart.
• Apply variation and deviation to obtain compass error.
• Define variation and briefly explain its causes on magnetic compass.
• Locate variation on chart and correct it for current year.
• Describe an isogonic chart and magnetic anomaly.
• Define deviation and briefly explain its causes and effects on magnetic compass.
• Interpret a deviation card and apply deviation.
• Apply variation and deviation to obtain compass error.
• Describe gyro errors and their application to gyro compass.
• Use chartwork instruments.
• Use chartwork tools.
• State the basic construction of a magnetic compass along with its correctors.
• State the basic operation of a gyro compass.
• Explain the use of an azimuth mirror and pelrous compass.
• Perform time, speed and distance calculations to plot dead reckoning position on chart.
• Define dead reckoning.
• Perform time, speed and distance calculations.
• Apply bearings to plot vessel's position.
• Apply ‘four point bearings' and ‘Doubling the Angle on the Bow' to obtain vessel's position.
• Apply ‘Three Bearing Problem' to obtain 'Course Made Good.'
• Define position lines and explain means of obtaining position on chart.
• Select objects and marks for obtaining positions.
• Explain the types of positions plotted on chart.
• Discuss the implications of a ‘Cocked Hat.'
• Obtain a vessel's position by use of four points bearings.
• Obtain a vessel's position by ‘Doubling the Angle on the Bow.'
• Demonstrate how 'Course Made Good' is obtained by the use of ‘Three bearing Problem.'
• Use Canadian List of Lights … light characteristics, colours and sound signals.
• Identify buoys their shapes, light characteristics, application and fog signals.
• Identify fog signals of different types.
• State the purpose and use of leading and clearing lights.
• Calculate geographical and luminous range.
• Apply transit, amplitude, azimuth for checking deviation of compass.
• Define transit, amplitudes and azimuths.
• Apply transit, amplitude, azimuth for checking deviation of compass.
• Use Tide Tables, Currents and Tide Atlas.
• Describe basic tide theory and types of tides.
• Define meaning of tidal terms in common use in C.H.S.
• Use Tide Tables, Currents and Tide Atlas.
• Calculate tides and heights of high and low water at reference and secondary ports.
• Calculate depth of water for given times.
• Calculate depth of water at high and low water to determine the height of water at a given charted position.
• Estimate set and rate of tidal currents by tables and actual observations.
• Perform tidal calculations for reference and secondary ports.
• State the use and information provided by the required publications.
• List publications required by Canada Shipping Act.
• State the use and information provided by the required publications.
• Explain Notices to Mariners and their information for chart corrections.
• Assess the need for keeping accurate detailed record of the vessel's progress.
• Assess the value of such record being available as a measure of safe navigation and in the event of an emergency.
• Apply pelorus slew and radar heading marker errors to bearings.
• Identify pelorus slew and radar headings marker errors.
• Apply above errors to bearings obtained.
• Determine the distance vessel steamed around an arc when rounding headland or lighthouse.
• Use Patent log for measurement of speed.
• Calculate correct distances by applying log error.
• Determine vessel's position by Running Fix method.
• Determine vessel's position by Running Fix from two bearings on the same object.
• Determine vessel's position by Running Fix with bearings from different objects.
• Determine vessel's position by Running Fix from objects and applying current.
• Determine vessel's position by Running Fix with change in course and speed.
• Determine vessel's position by Transferred Circles of Position method.
• Determine vessel's position by Transferred Circles of Position on the same object.
• Determine vessel's position by Transferred Circles of Position from different objects.
• Determine vessel's position by Transferred Circles of Position from objects and applying current.
• Apply the effect of leeway to vessel's course.
• Determine leeway.
• Apply the effect of leeway to vessel's course.
• Apply the effect of set and drift to obtain position.
• Define set drift and rate.
• Apply the effect of set and drift to obtain estimated position.
• Allow for the set and drift made in chart work to maintain vessel ground track.
• Calculate vessel's set, rate and drift.
• Apply horizontal sextant angle to obtain vessel's position.
• Explain the use of Station Pointer.
• Determine Compass error and deviation by the use of horizontal sextant angle method.
• Use Loran interpolator to interpolate between two lattice lines.
• Explain Loran lattice lines on chart.

Effective as of Fall 2003