Navigation Study GuideF

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Chapter 10:Navigation Reference Publications

Instructor: Walter Spall

All Questions are important for exam

PowerPoint Presentation

by Forrest Meiere

Navigation Study GuideF

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coast and channel descriptions, communication frequencies, anchorages, drawbridge schedules and signals, bridge and cable clearances, currents, tide and water levels, prominent features, pilotage, towage, weather, ice

S10-2. What are some of the topics covered in the Coast Pilot? __________________________________________

S10-1. What agency publishes the United States Coast Pilot? _____________________

How many volumes are there in the series? _______

National Ocean Service, Charting and Geodetic Services.

nine (9)

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S10-3. What agency publishes the Light List?________________________. How frequently are these publications revised? ________.annually

S 10-4. What is the definition of the geographic range of a light? __________________________________________ The greatest distance the curvature of the earth permits an object of a given height to be seen by an observer at sea level without regard to luminous intensity or visibility conditions.

United States Coast Guard

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S 10-6. What is the definition of the nominal range of a light? ______________________________________

S10-5. What is the definition of the luminous range of a light?. ________________________________________ The greatest distance a light can be expected to be seen given its nominal range and the prevailing meteorological visibility.

The maximum distance a light can be seen in clear weather.

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S10- 7. What is the relationship between the actual range at which a light can be seen and the luminous range and the geographic range? ___________________________ The actual range is the smaller of the luminous range and the geographic range.

S10-8. What are typical contents of the Notices to Mariners? __________________________________ The latest information on navigational

safety, changes in aids to navigation, channels and chart information over a broad area useful to the ocean-going and coastal vessels.

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S10-9. In the LNM the abbreviation W/P means that an ATON is _________________.

S10-10.Who publishes the Local Notices to Mariners?___________________________________ The commander of the local U.S. Coast Guard District.

watching properly

End of Questions