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Archive for the ‘Navigation’ Category

Important Seattle Area Boating Information

Friday, August 20th, 2010

Information to help you stay out of trouble with the Harbor Patrol and Coast Guard when boating in the Seattle area.

Rules of the Water:

All vessels operating on federally regulated waters, including those in the City of Seattle, shall be in compliance with all Federal, State and local equipment requirements.

Speed Limits (SMC 16.20.130)



(more…)

Tags: seattle boating information, seattle boating laws, seattle boating speed limits
Posted in Navigation, Safety Thoughts, Sailing and Boating Skills | No Comments »

Marine Sound Signals

Monday, May 31st, 2010

This is a PowerPoint presentation I have given several times covering Sound Signals for the Rules of the Road in Puget Sound.  Puget Sound does have some Local Customs with sound signals and the Ferries.   This is a subset of rules but it does cover  sound signals most likely to be seen by small boaters in the Puget Sound Area. (Approximately  12 minutes long)

Thanks for your interest in boating safety.

-c/m-

Tags: Boating sound signals, crew skills, Puget Sound, rules of the road
Posted in Navigation, Sailing and Boating Skills | No Comments »

Navigation Exercise 2

Tuesday, May 11th, 2010


NAVIGATION EXERCISE # 2


This is a basic Navigation exercise but the problems are typical of those seen by a recreational boater.  The questions are “Bite Sized” and except for one question, each question stands alone from the others.

This exercise was done on Small Boat Chart 18445 Page A.  The area used is just South of West Point on the south end  and Whidby Island  on the North.  If you have this chart or a similar chart that covers this area you may work the problems on it.  If you do not have a suitable chart there is a PDF Chartlet  of the area that can be printed out on 11 x 17 paper.  Many office supply stores and copy centers can print 11 x 17 if you don’t have a large printer.  You may also tile the printing to print onto two letter sized pages then tape them together, a bit crude but it does work.

The answers are at the bottom, there is also a PDF Chartlet showing the answers.  The questions and answers are also available in a formatted for printing PDF file at the bottom.

Thanks for your interest in Boating Safety and good luck with the exercise.

Piloting and Navigators Quick Reference

Reference card with help for correcting and uncorrecting a compass, speed / time formulas and other quick hints for navigators.

Click For Larger View of Chartlet Area

(more…)

Tags: Chart Reading, Nav. Exercise, Piloting
Posted in Export Test, Navigation, Sailing and Boating Skills, Uncategorized | No Comments »

Nautical Training Charts

Tuesday, May 4th, 2010


Nautical Training Charts are outdated nautical charts that are used for educational purposes.  The charts are “frozen” with no updates made to the charts, this means that charting remains consistent from year to year so class material and test questions do not need to be changed every time the chart is updated or an ATON moved.

The charts are less expensive than the corresponding current charts.  Some training charts have sections of Chart No. 1 printed on the reverse side.

Product ID	Product Name	                                        Edition Date	Price


13205TR 	BLOCK ISLAND SOUND & APPROACHES	 May 18 1991	$3.00
12221TR 	CHESAPEAKE BAY ENTRANCE  	         Feb 29 1992	$3.00
39TR 	GREAT LAKES/TRAINING 	                         Jan 01 1975	$3.00
12354TR 	LONG ISLAND SOUND-EASTERN  	         Feb 15 1992	$3.00
116TR 	LONG ISLAND SOUND       	                 Sep 05 1970	$3.00
1210TR 	MARTHA'S VINEYARD TO BLOCK IS/ 	 May 28 1962	$3.00
18465TR 	STRAIT OF JUAN DE FUCA/E PART 	         Aug 01 1998	$3.00


http://naco.faa.gov/ecomp/Catalog.aspx?a=NAUT+NOS+MISC+TRAINING

c/m

Tags: Chart Reading, Nav. Exercise, training materials
Posted in Export Test, Navigation, Sailing and Boating Skills | No Comments »

Navigation Exercise – Mountaineers Sailing Class

Tuesday, March 30th, 2010

Here are the questions and answers for the Mountaineers Sailing Crew Class Navigation Exercise There is a Chartlet with the answers drawn on it.

The answers match the Chartlet handed out in class.  If you misplaced or did not receive a Chartlet there is one at the bottom of the page.  The Chartlet provided here is slightly different from the one furnished in class.  This one has depths in feet and slightly smaller type in some areas.

Piloting and Navigators Quick Reference

Reference card with help for correcting and uncorrecting a compass, speed / time formulas and other quick hints for navigators.

(more…)

Tags: Chart Reading, Nav. Exercise, Piloting
Posted in Navigation, Safety Thoughts, Sailing and Boating Skills | No Comments »

Puget Sound Area Marine Training Charts

Tuesday, March 9th, 2010

Selected Puget Sound Charts with prominent marine  points highlighted.  Use as a training aid to learn the area or to find points on a chart quicker.  The area points are in a white bubble with black border, this makes finding points quicker and easier.

The charts will print in Black and White or Color.  Many office supply stores and copy centers can make large prints.  The base charts are from standard NOAA chart graphics.

Shilshole to Ballard  (PDF) – Suggested print size 11×17 inches (8.5×11 also works but type is a bit small).


(more…)

Tags: Chart Reading
Posted in Aux Activities, Navigation, Sailing and Boating Skills | No Comments »

Navigation Exercise 1

Monday, March 1st, 2010


Crew Course Navigation Exercise 1


This is a basic Navigation exercise but the problems are typical of those seen by a recreational boater.  The questions are “Bite Sized” and except for one question, each question stands alone from the others.

This exercise was done on Chart 18441 PUGET SOUND – NORTHERN PART.  The area used is Elliot Bay Marina at the South East Corner and Agate Pass on the Northwest Corner.  If you have this chart or a similar chart that covers this area you may work the problems on it.  If you do not have a suitable chart there is a PDF Chartlet  of the area that can be printed out on letter size paper.

The answers are at the bottom, there is also a PDF Chartlet showing the answers.  The questions and answers are also available in a formatted for printing PDF file at the bottom.

Thanks for your interest in Boating Safety and good luck with the exercise.

Click For Larger View of Chartlet Area

(more…)

Tags: Chart Reading, Nav. Exercise, Piloting
Posted in Navigation, Sailing and Boating Skills | No Comments »

Correcting Compass Error

Thursday, October 15th, 2009

Or how to tell what direction to point the boat or which way is home.

“Correcting” is converting a magnetic (M) direction to true (T). “Uncorrecting” is converting from true to a magnetic direction. “True” direction is relative to true north (north pole).

Variation is the failure of the compass to point to true north. Variation is read from the compass rose on the chart. Variation is the same for all boats in the same area. Variation is the same for all directions in the same area.

Deviation is the failure of the compass to point to magnetic north. Deviation is caused by local magnetic fields on the boat. These fields may be caused by the engine, instruments or other electronic equipment, power wiring, tools or any other magnetic objects. Deviation is specific to an individual boat. Deviation changes with the boats heading. Deviation is read from the Deviation Table on the boat.

(more…)

Tags: Correcting, Correcting and Uncorrecting a Compass, TVMDC, Uncorrecting
Posted in Navigation, Safety Thoughts, Sailing and Boating Skills | 1 Comment »

Quick Overview of Marine Charts

Thursday, October 15th, 2009

CHARTS

A chart is a map that shows a view of the ocean, lake, river or harbor and the shores associated with them.

The chart includes information on water depth (depth can be in feet, meters or fathoms), overhead clearances, aids to navigation (ATONS or buoys, lights etc.) shore profile, type of bottom, and other information for safe navigation.

(more…)

Tags: Chart Reading, crew skills, Piloting
Posted in Navigation, Sailing and Boating Skills | No Comments »

Navigation Help

Monday, October 12th, 2009

Captain Linda Lewis has a nice PowerPoint presentation that shows you how to plan a course to steer your boat when you need to compensate for current in the water.

Captain Linda Lewis is a senior instructor with the Coast Guard Auxiliary, she has 40 years of boating experience, University of Washington  Associate Professor Emeritus, is a popular speaker on marine navigation issues and writes regularly for boating magazines.

Planning your course to compensate for currents:

Posted in Navigation, Sailing and Boating Skills | No Comments »

Piloting and Navigators Quick Reference

Thursday, October 1st, 2009

A two sided quick reference card for navigators with common abbreviations, Speed / Distance / Time Formulas, Correcting and Uncorrecting a Compass (TVMDC), Common navigation Drafting Symbols and Their Usage, and Nautical Conversion Factors

Can’t quite remember TVMDC and if you add or subtract whiskey or wisdom?  You think 60 D Street is the local pub?    This ready to print card is a quick reference for marine charting and navigation.  This two sided card will save you much anguish and time.  Print on heavy card stock with a contrasting color so it does not get lost.

.

Navigators Quick Charting Reference (5 x 8 inch card) (pdf):

Navigators Quick Charting Reference (5 1/2 x 8 1/2 inch card) (1/2 of a letter size page) (pdf):

Navigators Quick Charting Reference Page 1 (5 x 8 inch card jpg):

Navigators Quick Charting Reference Page 2 (5 x 8 inch card jpg):

Tags: Correcting, Correcting and Uncorrecting a Compass, Nav. Exercise, Piloting, TVMDC, Uncorrecting
Posted in Navigation, Sailing and Boating Skills | No Comments »

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