Seamanship Secrets 185 Tips & Techniques For Better Navigation, Cruise Planning, And Boat Handling Under Power Or Sail(1).pdf

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SECRETS
JOHN JAMIESON
TECHNIQUES
for Better Navigation,
Cruise Planning,
and Boat Handling
Under Power
and Sail
International Marine | McGraw-Hill
CAMDEN, MAINE NEW YORK CHICAGO SAN FRANCISCO LISBON
LONDON MADRID MEXICO CITY MILAN NEW DELHI
SAN JUAN SEOUL SINGAPORE SYDNEY TORONTO
SEAMANSHIP
TIPS &
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Copyright © 2009 by John Jamieson. All rights reserved. Except as permitted under the United States
Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or
by any means, or stored in a database or retrieval system, without the prior written permission of the
publisher.
ISBN: 978-0-07-160579-3
MHID: 0-07-160579-7
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-160578-6,
MHID: 0-07-160578-9.
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CONTENTS
Acknowledgments
vii
Introduction
ix
1
Chart and Publication Secrets
A Navigator’s Most Trusted Companion
1
Chart Tints and Coloring
2
Flat Beach, High Cli s, or Soaring Peaks?
3
How to Interpret Water Depths and Seabed Characteristics
4
Height Measurements for Safe Passage
6
Symbols at Shout “Danger!” and “Beware!”
8
Solve the Mystery of Aid-to-Navigation Symbols
11
Ranges Lead You to Safety
13
e Five Secrets for Visualizing Any Aid to Navigation
14
Chart Notes: Nuggets of Hidden Gold
17
Are Your Charts Up-to-Date?
18
Free Code-Breaker for 36,000 Mariners’ Friends
21
Free Cruising Guides to Take You Anywhere
22
2
Chart Plotting and Preparation
Skipper’s Navigation Tools
26
Quick-and-Easy Review of Latitude and Longitude
27
How to Choose the Chart Scale You Need
29
Box-Plot Your Position
30
How to Convert Minutes, Seconds, or Degrees to Miles
31
True versus Magnetic Directions and Two Ways to Find Variation
33
Check Your Steering Compass in ree Easy Steps
36
Bulletproof Your Charts for Longer Life
41
Paper Chartlets for Cockpit Ease
41
Complete 90% of Your Navigation by Annotation
45
Save Time with Custom Distance Scales
47
Invaluable Copilot: e Navigator’s Log
48
3
E a s y Calculations and Adjustments
Lightning Fast Arrival Time Estimates
51
How to Make a Speed Graph in ree Easy Steps
52
Navigation Solutions in Less than 5 Seconds
54
Harness the Power of the 3-Minute Rule
56
How to Select and Calibrate a New Compass
57
How to Choose and Adjust Marine Binoculars
60
iii
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iv
contents
How to Adjust a Sextant in ree Steps
61
How to Adjust Your Radar for the Best Picture
67
4
Piloting Tips and Techniques
DR Plotting and the Boat-Trackline Connection
71
How to Become Piloting Sequence Savvy
75
How to Determine When You Will Make Landfall
77
Secrets of the Most Accurate LOP on Earth
80
A Simple Solution to Running-Fix Confusion
81
Longshore Piloting When Landfall Is in Doubt
83
How to Avoid Hazards with Danger Bearings
84
How to Clear Hazards without Plotting on a Chart
86
Depth Contour Secrets
87
Magic Boat Markers for Distance O
88
Make a GPS Grid Highway to Avoid Dangers
90
How to Plot a GPS Position in Less than 5 Seconds
91
Sail a Tacking Cone to a Windward Destination
93
ICW Secrets: Channel Jogs and Marker Silhouettes
95
5
Tides, Currents, and Leeway
How to Predict Tides Anywhere in the World
98
e Secret to Understanding Tidal Currents
104
Tap the Magic of the 50-90-100 Rule
109
Slack Intervals: Nature’s Gi to Mariners
111
How to Measure the E ect of Current in ree Easy Steps
113
How to Cross the Gulf Stream or Any Other Ocean Current
115
How to Correct for Leeway Wind Dri
117
6
Bridges, Night Passages, and Other Tricky
Navigation Situations
Cracking the Mystery of Bridge Lighting
120
Use the Secret of “Triple Timing” to Verify a Lighted ATON
125
How to Use S.T.O.P. for Easy Orientation
126
Range Sector Strategy Secrets
128
Red Sectors Give Instant Danger Bearings
128
7
Avoiding Collision by Eye or Radar
Bearing Dri : A First Sign that Danger Exists 132
Use Sectoring to Track a Crossing or Overtaking Vessel 135
Caught in a Ship’s Blind Spot! 136
How to Identify Motionless Contacts on Your Radar 137
Avoiding Collisions the E.A.S.A. Way 138
How to Cross behind a Stern-Towing Tug 140
Identify Vessels Towing Barges Alongside or Pushing em Ahead 141
Quick Guide for Sailboat-to-Sailboat Situations
142
How to Become Sound Signal Savvy
144
How to Use the ree Factors of the Lookout
146
Radar Scope Plotting
148
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