SOA Navigation

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description

 

Transcript of SOA Navigation

Page 1: SOA Navigation
Page 2: SOA Navigation

Aids To Navigation‣ Aids to navigation provide:

Important information about

• where the safest water is

• dangers

• information

• speed zones• position in relation to land

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Visual Distress Signals‣ Aids are often used together

to help you follow natural and improved channels

‣ Provide a continuous system of charted markers for coastal cruising

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Individual Aids

‣ Used to mark landfall from seaward

‣ Used to mark isolated dangers

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Lateral Markers

‣ Floating buoys or cans

‣ Day markers

‣ Show the port and starboard sides of a safe route to be followed

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Red Right Returning‣ Red day markers and lighted beacons

mark the proper way to ‘return for sea’

‣ The 3 R’s rule of Red Right Returning

‣ When returning from sea keep the red makers on right or starboard side

‣ Inland waterways keep the Red marker on right side when heading upstream or into a port or marina

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Don’t Use As Only Method of Navigation

‣ Storms and wave action can move buoys out of place

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Use in Combination With Chart

‣ Have a chart aboard

‣ Compare the position of markers in relation to land and each other

‣ Will help you to determine what is upstream and downstream

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Lateral Aids

‣ Show where the safest water is

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Non Lighted Green Day Beacon

‣ Marking a Safe Channel

‣ On your left or port side when going up stream

5G“7”

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Lighted Green Day Beacon

‣ This marks a safe channel 5

”5”Fl G 6s

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Green Can

‣ A can floats in the water

‣ Could be used to mark a safe channel

‣ Used by itself to mark an isolated danger

3

GC “3”

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Lighted Green Buoy

‣ Flashes green at night

‣ Marks isolated dangers

‣ Marks a landfall from sea

1

G ”1”Fl G 4s

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Odd Numbers & Flat On Top

‣ All have odd number marking

‣ All flat on top and look like a soda ‘can’

‣ Helps identify from a distance or in direct sun

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Red Day Beacon

‣ Remember “Red Right Returning”

‣ Have even numbers and are pointed on the top

8R“8”

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Red Lighted Day Beacon

‣ Lighted red beacon

6”6”

Fl R 6s

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Floating Nun (red can)

‣ Red version of floating can 4

RN “4”

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Red Lighted Buoy

‣ Is not pointed on the top but exhibits a red light

2

R ”2”Fl R 4s

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Regulatory Markers

‣ Often single markers alerting boaters to hazards

‣ White with an orange horizontal band at both top and bottom

‣ Black text within or around an orange square, circle, or diamond

‣ If lit, the light will be white

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Danger Marker

‣ Diamond Shape

‣ Hazard marked inside and is marked on the chart

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Restricted Operation

‣ Circle

‣ Indicate areas of regulated operations

• No Wake Zones

• Speed Restricted Areas

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Exclusion Marker (no boats permitted)

‣ Diamond with a cross

‣ Exclusions are noted

• Prohibiting Boat Operation

• Identifying Swimming Areas

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Information Marker

‣ Square

‣ Designed to provide helpful information

• Launch Ramp Location

• Provisions

• Gas Dock

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Dive Flag / Alpha Flag

‣ Slow down

‣ Stay at least 100 feet away

‣ Diving operations, slow down and stay at least 300 feet away in open waters or bays

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Aids to Navigation‣ Use the aids to navigation in

conjunction with marine charts

‣ Together will provide a complete picture of where it is safe to operate your boat