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Required Skills: |
Complete required records relevant to planning and navigating a passage |
Determine dipping and rising distances of lights |
Estimate position using dead reckoning |
Interpret tidal stream data |
Lay off a safe course on a chart |
Observe and interpret weather and oceanographic conditions |
Read and interpret: charts and other published information relevant to planning and navigating a passage instrument and equipment readings relevant to planning and navigating a passage weather information and oceanographic reports |
Read aneroid barometer and interpret information obtained |
Recognise and correctly respond to cross-track error resulting from effects of tide and wind |
Recognise faulty equipment and take appropriate action according to operating instructions |
Recognise problems that may be experienced when planning and navigating a passage |
Select and use relevant equipment required for planning and navigating a passage |
Use meteorological information available |
Required Knowledge: |
Australian or local tide tables and sailing directions |
Basic meteorological terms |
Characteristics of various weather systems affecting Australian coast |
Charted information including that in the Title Block, Zones of Confidence Diagrams and Datums |
Compass error from transit bearings or by bearings taken from a known position |
Determining times and heights of: high and low water from Australian or local tide tables for any port and the relevance of chart datum tides at standard and secondary ports for any state of tide |
Differences between rhumb and great circle sailings |
Effects of current and of leeway on course and speed of vessel (without calculations)and recognising the presence of either or both factors |
Finding variation from chart |
Fixing vessel position by: simultaneous bearings, transits of coastal features, and by running fix radar ranges and bearings |
Information given on a chart or plan, particularly buoyage, hazards to navigation, depth and nature of bottom, lights, tides and tidal streams |
Interpreting set and drift of current from information available on chart |
Measuring distance on a chart |
Meteorological instruments and their use |
Obtaining bearings on small vessels |
Recognition of coastal features |
Relating coastal features to a chart |
Relationship between: latitude and longitude compass, magnetic, true and gyro courses and bearings |
Relative bearings |
Selection of suitable: anchorage or shelter points for bearings |
Sound signals such as: appropriate signals for alteration of course to port or starboard danger warnings moving astern |
Sources of weather forecasts and interpretation of that information in simple terms |
Tropical revolving storms and the weather associated with such storms |
Use and limitations on use of electronic position fixing equipment found on small vessels |
Use of a deviation card without mathematical interpolation |
Using a single position line |
Using modern electronic navigational aids to determine vessel position |
Using rhumb line navigation |
Using soundings in determining position |
Using terrestrial observations to determine vessel position individually or in combination with other methods |
Weather conditions affecting Australian coast and liable to endanger vessel |
Work health and safety (WHS)/occupational health and safety (OHS) requirements and work practices |