Nautical Science Grade 10

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    1.5.1 The position line

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    • 10.0 All the Grade 10 Nautical Science videos
    • Introduction to the Grade 10 content
    • 1 Navigation
    • 1.1 Navigation
    • 1.1.1 Introduction
    • 1.1.2 The Navigator
    • 1.1.3 Navigation equipment
    • 1.1.4 Navigation instruments, publications and stationery
    • 1.2 Navigation definitions and concepts
    • 1.2.1 Navigation definitions
    • 1.2.2 Navigational charts
    • 1.2.3 Passage planning
    • 1.3 Measurement of position and distance on the earth’s surface
    • 1.3.1 Practical application
    • 1.4 Measurement of direction
    • 1.4.1 Three figure notation
    • 1.4.2 Cardinal and intercardinal points
    • 1.4.3 Relative bearings
    • 1.4.4 Compasses
    • 1.4.5 Variation, magnetic bearing and deviation
    • 1.4.6 Compass bearings and the procedure for converting compass bearings
    • 1.5 Chartwork – plotting and chart symbols
    • 1.5.1 The position line
    • 1.5.2 The fix
    • 1.5.3 The observed position and dead reckoning position (DR)
    • 1.5.4 Ships track and estimated position (EP)
    • 1.5.5 Taking bearings and visual bearings of terrestrial objects
    • 1.5.6 Cocked hat
    • 1.5.7 Radio direction finding (DF) bearings
    • 1.5.8 Fixing by position circles
    • 1.5.9 Distance by vertical sextant angle
    • 1.5.10 Horizontal sextant angle (HSA)
    • 1.5.11 Transits
    • 1.5.12 Position by Global Positioning System (GPS)
    • 1.5.13 Leading lights and markers
    • 1.5.14 Rising and dipping of a light and ranges of lights
    • 1.5.15 Danger angles
    • 1.5.16 Example of a position determined by horizontal sextant angle and vertical sextant angle.
    • 1.6 Measurement of time at sea
    • 1.6.1 Introduction
    • 1.6.2 Zone time at sea
    • 1.6.3 Standard time on land and Universal Time/Greenwich Mean Time
    • 1.6.4 Zone designations and local mean time
    • 1.6.5 Nautical almanac and conversion of time
    • 2 Seamanship
    • 2.1 Basic seamanship
    • 2.1.1 Need for seamanship skills
    • 2.1.2 Layout of a typical ship and nautical terms
    • 2.1.3 Miscellaneous ship terms
    • 2.1.4 Nautical terms for shore facilities/construction
    • 2.2 Ship’s construction
    • 2.2.1 Materials
    • 2.2.2 Hull construction
    • 2.3. Ship’s organization
    • 2.3.1 Command and control
    • 2.3.2 Deck department
    • 2.3.3 Watch keeping
    • 2.4. Ropes and their usage
    • 2.4.1 Construction of ropes
    • 2.4.2 Types of rope – natural ropes
    • 2.4.3 Types of rope – man-man (synthetic) ropes
    • 2.4.4 Handling and care of ropes
    • 2.4.5 Handling mooring lines
    • 2.5 Basic knots, bends, hitches and splices
    • 2.5.1 Whippings
    • 2.5.2 Knots, bends and hitches
    • 2.5.3 Making a line fast to a set of bitts
    • 2.5.4 Splicing
    • 2.5.5 Rigging
    • 2.6 Safety
    • 2.6.1 Watchkeeping
    • 2.6.2 Steering
    • 2.6.3 Emergency drills – man overboard
    • 2.6.4 Emergency drills- shipboard fires
    • 2.6.5 Ship disasters
    • 2.7 Sea transport operations
    • 2.7.1 Introduction
    • 2.7.2 Types of trading vessels
    • Passenger ships
    • General cargo ships (break bulk ships)
    • Container ships
    • Ro-Ro vessels
    • Dry bulk carriers
    • Oil tankers
    • Liquid gas carriers
    • Reefers (refrigeration vessels)
    • Heavy lift vessels
    • Commercial fishing vessels
    • 2.7.3 Harbour maintenance and support vessels
    • Tugs
    • Dredgers
    • 3 Meteorology (weather at sea)
    • 3.1 Meteorology for mariners
    • 3.1.1 Sources of meteorological information
    • 3.1.2 Meteorological instruments
    • 3.1.3 The atmosphere
    • 3.1.4 Weather signs at sea
    • Humidity
    • Clouds
    • Fog and mist
    • Rain, snow and hail
    • Wind
    • Atmospheric pressure, depressions and anti-cyclones
    • Air masses and fronts
    • 4 Communications
    • 4.1 Introduction
    • 4.2 Flags
    • 4.3 Semaphore and flashing light
    • 4.4 Pyrotechnics, amplified voice, ship’s siren and underwater telephone
    • 4.5 Radio
    • 4.6 Vessel identities, commonly used words or phrases, phonetic alphabet and time.
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    December 8, 2020

    Chartwork – plotting and plotting symbols

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    Modules

    • Introduction to the Grade 10 content
      • 10.0 All the Grade 10 Nautical Science videos
    • 1 Navigation
      • 1.1 Navigation
        • 1.1.1 Introduction
        • 1.1.2 The Navigator
        • 1.1.3 Navigation equipment
        • 1.1.4 Navigation instruments, publications and stationery
      • 1.2 Navigation definitions and concepts
        • 1.2.1 Navigation definitions
        • 1.2.2 Navigational charts
        • 1.2.3 Passage planning
      • 1.3 Measurement of position and distance on the earth’s surface
        • 1.3.1 Practical application
      • 1.4 Measurement of direction
        • 1.4.1 Three figure notation
        • 1.4.2 Cardinal and intercardinal points
        • 1.4.3 Relative bearings
        • 1.4.4 Compasses
        • 1.4.5 Variation, magnetic bearing and deviation
        • 1.4.6 Compass bearings and the procedure for converting compass bearings
      • 1.5 Chartwork – plotting and chart symbols
        • 1.5.1 The position line
        • 1.5.2 The fix
        • 1.5.3 The observed position and dead reckoning position (DR)
        • 1.5.4 Ships track and estimated position (EP)
        • 1.5.5 Taking bearings and visual bearings of terrestrial objects
        • 1.5.6 Cocked hat
        • 1.5.7 Radio direction finding (DF) bearings
        • 1.5.8 Fixing by position circles
        • 1.5.9 Distance by vertical sextant angle
        • 1.5.10 Horizontal sextant angle (HSA)
        • 1.5.11 Transits
        • 1.5.12 Position by Global Positioning System (GPS)
        • 1.5.13 Leading lights and markers
        • 1.5.14 Rising and dipping of a light and ranges of lights
        • 1.5.15 Danger angles
        • 1.5.16 Example of a position determined by horizontal sextant angle and vertical sextant angle.
      • 1.6 Measurement of time at sea
        • 1.6.1 Introduction
        • 1.6.2 Zone time at sea
        • 1.6.3 Standard time on land and Universal Time/Greenwich Mean Time
        • 1.6.4 Zone designations and local mean time
        • 1.6.5 Nautical almanac and conversion of time
    • 2 Seamanship
      • 2.1 Basic seamanship
        • 2.1.1 Need for seamanship skills
        • 2.1.2 Layout of a typical ship and nautical terms
        • 2.1.3 Miscellaneous ship terms
        • 2.1.4 Nautical terms for shore facilities/construction
      • 2.2 Ship’s construction
        • 2.2.1 Materials
        • 2.2.2 Hull construction
      • 2.3. Ship’s organization
        • 2.3.1 Command and control
        • 2.3.2 Deck department
        • 2.3.3 Watch keeping
      • 2.4. Ropes and their usage
        • 2.4.1 Construction of ropes
        • 2.4.2 Types of rope – natural ropes
        • 2.4.3 Types of rope – man-man (synthetic) ropes
        • 2.4.4 Handling and care of ropes
        • 2.4.5 Handling mooring lines
      • 2.5 Basic knots, bends, hitches and splices
        • 2.5.1 Whippings
        • 2.5.2 Knots, bends and hitches
        • 2.5.3 Making a line fast to a set of bitts
        • 2.5.4 Splicing
        • 2.5.5 Rigging
      • 2.6 Safety
        • 2.6.1 Watchkeeping
        • 2.6.2 Steering
        • 2.6.3 Emergency drills – man overboard
        • 2.6.4 Emergency drills- shipboard fires
        • 2.6.5 Ship disasters
      • 2.7 Sea transport operations
        • 2.7.1 Introduction
        • 2.7.2 Types of trading vessels
          • Passenger ships
          • General cargo ships (break bulk ships)
          • Container ships
          • Ro-Ro vessels
          • Dry bulk carriers
          • Oil tankers
          • Liquid gas carriers
          • Reefers (refrigeration vessels)
          • Heavy lift vessels
          • Commercial fishing vessels
        • 2.7.3 Harbour maintenance and support vessels
          • Tugs
          • Dredgers
    • 3 Meteorology (weather at sea)
      • 3.1 Meteorology for mariners
        • 3.1.1 Sources of meteorological information
        • 3.1.2 Meteorological instruments
        • 3.1.3 The atmosphere
        • 3.1.4 Weather signs at sea
          • Humidity
          • Clouds
          • Fog and mist
          • Rain, snow and hail
          • Wind
          • Atmospheric pressure, depressions and anti-cyclones
          • Air masses and fronts
    • 4 Communications
      • 4.1 Introduction
      • 4.2 Flags
      • 4.3 Semaphore and flashing light
      • 4.4 Pyrotechnics, amplified voice, ship’s siren and underwater telephone
      • 4.5 Radio
      • 4.6 Vessel identities, commonly used words or phrases, phonetic alphabet and time.
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