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SeaDog1
Joined: 21 Dec 2009
Posts: 2629
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 Posted: Tue Apr 13, 2010 6:28 pm Post subject: Another Boater's Question? |
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Hi All!
OK! Here's another question for boaters.
What's the difference between a Nautical Chart and Road Map 
SeaDog1  |
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billybass
Joined: 29 Dec 2009
Posts: 315
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| Posted: Tue Apr 13, 2010 6:43 pm Post subject: |
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Well SeaDog
A Nautical chart is a graphic representation of maritime area
they are based on Hydrographic surveys,that include north ,south,east,west
and depth of waters and the hieght of land....
A road map is a road map just shows streets ..highways ,directions and the difference I would say is one is water one is land |
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SeaDog1
Joined: 21 Dec 2009
Posts: 2629
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| Posted: Tue Apr 13, 2010 8:56 pm Post subject: |
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Hi BB!
Very good! -> But that's the technical description.
Simpler than that, and as taught at the Maritime Academies, is -> a Road Map tells you where you CAN GO.
A Nautical Chart tells you where you CAN NOT GO or SHOULD NOT BE 
Shallows, Reefs, Rocks, Land, Obstructions, and Anything Else that a vessel should NOT Encounter
So if putting your vessel on unfarmiliar waters -> you should get a chart of that particular water with depths and obstructions indicated -> and if that is not available, to operate your vessel at the slowest speed possible to avoid damaging it -> watching for any color change in the water.
If water is highly discolored then the risk of damage or grounding is higher
Know the water your on -> be observant -> if in doubt reduce speed substantially -> and Have all your safety gear aboard
Best regards,
SeaDog1 |
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Old Mud
Joined: 03 May 2007
Posts: 1048
Location: Bath, Maine
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| Posted: Wed Apr 14, 2010 6:23 am Post subject: |
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No curbs and street lights on a Chart.  
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SkeeterJim
Joined: 08 May 2007
Posts: 2219
Location: Newington, CT
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| Posted: Wed Apr 14, 2010 12:32 pm Post subject: |
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| Old Mud wrote: | | No curbs and street lights on a Chart. |
Don you forgot........No motorcycles either! 
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Eat, Sleep, Fish......I Love my SKEETER ZX225!!!
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Fish On!
Joined: 24 Dec 2009
Posts: 68
Location: Northeast, CT
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| Posted: Wed Apr 14, 2010 1:42 pm Post subject: |
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I was waiting for the punch-line, didn't know you were serious  |
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