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Chapter 3

Chapter 3. Navigating with ATONs. ATON Systems. U.S. Aids to Navigation The Intracoastal Waterway Aids The Western River System (Mississippi River system) The Uniform State Waterway Marking System (USWMS). 1. 2. 3. 4. U.S. Aids To Navigation . (ATON). Right side of channel

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Chapter 3

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  1. Chapter 3 Navigating with ATONs

  2. ATON Systems • U.S. Aids to Navigation • The Intracoastal Waterway Aids • The Western River System (Mississippi River system) • The Uniform State Waterway Marking System (USWMS) 1 2 3 4

  3. U.S. Aids To Navigation (ATON) • Right side of channel • Red colors, red lights, • Even numbers, NUN buoys • Left side of channel • Green colors, green lights, odd numbers, CAN buoy 1 2 RED RIGHT RETURN(From the sea)

  4. Aid to Navigation • Any object visible from the water andshown on the chart • Buoys • Dayboards • Lights • Beacons/Towers • Bridges • Landmarks • Geographical Features • Others

  5. Waterway Markers • Lighted or Non-Lighted Buoys • Nun, Can, Spherical, or Tower • Day Boards (Beacons) • Triangle, Square, Diamond • Sound Device • Light Structures • Special Purpose/Information

  6. U.S. Aids to NavigationATON

  7. Aids to NavigationATONS

  8. Aids to NavigationATONS

  9. Red, Right, Returning?

  10. Aids to NavigationATONS • Which side of the boat is the red buoy supposed to be on? Red, Right, Returning from the Sea

  11. 1 2 Daybeacons • Fixed on pilings • Shallow water instead of buoys

  12. U.S. Aids to NavigationATON

  13. U.S. Aids to NavigationATON

  14. U.S. Aids to NavigationATON

  15. U.S. Aids to NavigationATON

  16. U.S. Aids to NavigationATON

  17. Non-Lateral Aids • Non-Lateral Marks - US Aids 1 Daymark Spherical Buoy (unlighted)

  18. Special Purpose ATON Buoy and Daymark • Yellow in color • Lighted or not lighted • Yellow light • Shape (can/nun) • Can have a sound device • Are never numbered • Yellow diamond daymark 1 Daymark 2 3 4 5 6 7

  19. Regulatory Markers 4 3 2 1

  20. ICW Symbols

  21. Range Marker

  22. RANGE MARKER

  23. Buoy System On Waterway

  24. Navigating on Water • Charts • Why important? • What information is contained? 1

  25. Most Valuable Tool

  26. Dangers Of Lowhead Dams

  27. Locks • Commercial traffic has priority • Communication: channel 13 VHF-FM marine 1 2

  28. Tides On Coastal Waters • Gravitational forces of the moon and sun • Tides fluctuate by many feet • Docking affected by tide • Local knowledge • Don’t run aground 1 2 3 4 5

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