Your Highway Signs

1
Your Highway Signs
Chapter 7
2
Your Highway Signs

• Part 1 - Chapter 7

3
Lesson Objectives

• Aids to Navigation (ATONS)
• Cautions in using ATONS
• Meaning of charts symbols
• Availability of electronic ATONS
• Reference materials changes in ATONS

4
ATONS

• How are ATONS essential for boaters?

5
ATONS

• Short range (Examples?)
• Long range (Examples?)

6
ATONS

• What are other landmarks helpful to boaters?

7
Buoyage System

• How are ATONS grouped in this system?

8
U.S. ATON System

• What are the six types?

9
Intracoastal Waterway (ICW)

• ICW location
• Objective and appearance

10
Western Rivers

• Location
• Maintenance

11
Uniform State Waterway Marking System

• Merged with US ATON system

12
Waterway Marks/Buoys

• Characteristics

Reprinted with permission from The Weekend
Navigator by Bob Sweet
13
Waterway Marks / Pillar Buoys
14
Waterway Marks / Spherical Buoy
15
Waterway Marks/Nun Can Buoy
16
Waterway Marks/SPAR Buoy

• Describe

17
Waterway Marks/Cautions

• Watch circle
• PA
• Light and acoustics may fail
• Off station

18
Waterway Marks/Day Beacons

• Daymarks
• Day beacon

19
Waterway Marks

• Triangular Daymark
• Square Daymark

20
Waterway Marks

• Diamond shaped day marks

21
Waterway Marks

• Light structures
• Define
• Minor lights

22
Waterway Marks

• Informational and Regulatory Marks
• Describe

23
Waterway Marks

• Special purpose
• Describe

24
How Waterways are Marked

• Guide along channels
• Lateral significance

25
Waterway Marks

• Red, Right, Returning
• Return from sea
• Clockwise around U.S.
• Numbers

26
Waterway Marks

• Lateral marks on navigable waters
• Characteristics

27
Waterway Marks

• Numbers on Lateral Markers
• Explain numbers

28
Waterway Marks

• Regulatory Markers
• Description and purpose
• Signs
• Buoys

29
Waterway Marks

• Safe Water ATONS
• Characteristics

30
Waterway Marks

• Preferred Channel Mark

31
Waterway Marks

• Ranges
• Pair of ATONS
• Rear ATON higher
• Determines center of channel
• Lights

32
Waterway Marks

• ICW
• Yellow triangles, squares
• Dual purpose
• Note yellow on marks

33
Light Characteristics

• Patterns

34
Light Characteristics

• Preferred channel lights
• Color
• Light pattern

35
Chart Symbols

• Fixed structure lights
• Symbols for buoys
• Symbols for day marks

36
Light Structures

• Light houses
• Classes of light structures
• Light structure sound signals

37
Lights on Bridges

• Fixed
• Draw

38
Electronic ATONS

• Characteristics
• Loran C
• GPS

39
Navigation Publications

• Local Notice to Mariners
• Chart No. 1
• Light List
• Coast Pilot