1 / 29

America’s Boating Course 3 rd Edition

America’s Boating Course 3 rd Edition. Navigation Aids Chapter 2 Section 5. Presented by the St Paul Sail and Power Squadron. 1. What Type of Aids?. Lateral aids Side of the channel Preferred channel Non-lateral aids Danger, safe water Information, regulatory Special. 2.

chloe-abbott
Download Presentation

America’s Boating Course 3 rd Edition

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. America’s Boating Course3rd Edition Navigation Aids Chapter 2 Section 5 Presented by the St Paul Sail and Power Squadron 1

  2. What Type of Aids? Lateral aids Side of the channel Preferred channel Non-lateral aids Danger, safe water Information, regulatory Special 2

  3. Appearance of Aids Buoys Float & moored to bottom Can drift May be lighted Beacons Fixed to bottom Can’t move May be lighted 3

  4. Red – Right – Returning R R R 4

  5. Red Marks - Nuns Even numbers Unlighted Lighted 5

  6. Green Marks - Cans Odd numbers Unlighted Lighted “3” 3 6

  7. Daymarks Lighted Unlighted 7

  8. Preferred Channel Mark Light is color of top band 8

  9. Safe Water Mark Center of channel 9

  10. Regulatory Marks White cylindrical buoys Symbol indicates purpose MILFOIL 10

  11. Isolated Danger Marks 2 balls – one over other 11

  12. Special Marks Always yellow May have yellow light May have seals Intracoastal Waterway 12

  13. Labels for Marks Green - Odd numbers Red - Even numbers Numbers increase away from seaward Always in “quotes” on charts Numbers may be missing 13

  14. Chart Labels Lighted buoy – Magenta disc Lighted beacon – Magenta flare 14

  15. Navigation Aids Up River Down River ? ? ? ? ? ? 15

  16. Light Colors Chart shows light colors (R-G-Y) R & G: buoys having lateral significance Y: special marks Some marks have white light Safe-water Mo (A) Isolated Danger Dayboards Light may have pattern Example: Fl (2+1) R 16

  17. Light Patterns Used to distinguish between marks Short, Long, Quick Pattern labeled on chart Intervals of flashes Flash, Quick, Iso, Occult, Mo A 17

  18. Light Patterns Flashing Occulting Composite flash (2-1) Mo(A) Animated 18

  19. Ranges • Help stay in channel • Back aid is taller • May be lighted • Shown on chart 19

  20. Sound Signals Bell Gong Horn Whistle 20

  21. Intracoastal Waterway System (ICW) Protected waterways on East coast & Gulf of Mexico Uses yellow symbols on standard marks 21

  22. U.S. Aids To NavigationOn Western Rivers The Western Rivers Marking System is presently merging with the U.S. Aids To Navigation System (ATONS) and was discontinued on December 31, 2003. Vessel operators may encounter both types of systems during this transitional period. 22

  23. U.S. Aids To NavigationOn Western Rivers 23

  24. U.S. Aids To NavigationOn Western Rivers 24

  25. What is it? 25

  26. What is it? 26

  27. What is it? 27

  28. collage Remember the Marks 28

  29. End Section 5 29

More Related