10NAVIGATION REFERENCE

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Navigation Reference Publications
Chapter 10
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http//chartmaker.ncd.noaa.gov/ Office of Coast
Survey
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Light List
Seacoast
California
No.
Name
Location
Range
Height
Structure
Remarks
Year
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Visibility of Lights
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Pt. Loma Light
Nominal Range 23 n m
from the Light List
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Luminous Range 15 n m
Meteorological Visibility 5 n m
Luminous Range - nautical miles
Nominal Range 23 n m
Nominal Range - nautical miles
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Visible Distance to the Horizon
Observers Height of Eye 16 feet
D 1.17 H
Visible Distance 5 n m
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Pt. Loma Light
Height Above Water 88 ft.
from the Light List
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Visible Distance to the Horizon
Lighthouse Height Above Water 88 feet
D 1.17 H
Visible Distance 11 n m
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Lighthouse Could Be Visible 5 n m 11 n m 16 n
m but the Luminous Range 15 n
m and Meteorological Range 5 n m
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It is frequently possible to see a light beyond
its nominal range
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You may see a minor light or buoy at half
again its nominal range
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You may see the loom of a light from way beyond
its nominal range
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You may bob a light to determine its distance
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Be sure to maintain your night vision at all times
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http//www.navcen.uscg.gov/lnm/default.htm U S
Coast Guard Navigation Center
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Broadcast Notice to Mariners United States Coast
Guard On VHF-FM Channel 22A
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National Imagery Mapping Agency (NIMA) 301-227-3
296
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http//www.navcen.uscg.gov/
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Colregs Demarcation Lines
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Chart Catalogs Charts
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Chart Kit Coverage
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Reference Books
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Text Books
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Cruising Guides
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Other Stuff
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Victoria
To Olympia
115 n m
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Magazines
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