Ace Your 105, Coastal Navigation Written Sailing Exam
4.4 (148 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
680 students enrolled

Ace Your 105, Coastal Navigation Written Sailing Exam

Essential coastal navigation knowledge for safely living the sailing cruising life
4.4 (148 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
680 students enrolled
Created by Howard Edson Sr.
Last updated 2/2020
English [Auto]
Current price: $30.99 Original price: $44.99 Discount: 31% off
5 hours left at this price!
30-Day Money-Back Guarantee
This course includes
  • 4.5 hours on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
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What you'll learn
  • Learn the navigational theory and best practices to safely navigate a sailing vessel in coastal or inland waters
  • Safely plan and chart day-sail and multi-day courses, with consideration for winds, weather, tides, currents and other factors
  • Gain new navigational skills, including quick and accurate dead reckoning plots, chart appreciation and value, use of navigation instruments, the US Aids to Navigation (ATON) system, Light lists, variation and deviation, transits and more
  • Gain the knowledge and preparation to ACE your 105 sailing exam.
  • Demonstrate best practices and proper conventions to plot dead reckoning positions quickly and accurately
  • This is a stand-alone home-study course on navigation. You need no prior experience or sailing knowledge.
  • However if you are new to sailing, consider taking 101 or 1 03 for a solid grounding in sailing fundamentals
  • You will need to purchase NOAA chart 1020-TR in order to use this course effectively. And have a few navigator's tools.

This is a comprehensive sailing course in coastal navigation, It is also a prep course for ASA 105 Coastal Navigation and a  prerequisite for 106,  It is packed with navigation learning and helpful for mastering seamanship.  It is  divided into 9 chapters – several with practice navigation practice problems and solutions, plus 7 appendices of supplemental content.  Additionally it is salted with the author's hard-won tips and insights on how to remain safe and smart under sail.  .  .

Who this course is for:
  • If you have progressed through 104, and committed to the next step toward sailing mastery. or with equivalent experience, and is committed to coastal and off-shore cruising
  • If you desire to become the navigator aboard a sailing or cruising yacht
  • If you are preparing to take ASA106 (passing ASA 105 is a prerequisite)
  • If you are curious about how to safely navigate coastal waters anywhere in the world
  • If you are on a path to living the the cruising dream or just want more sailing knowledge for now
Course content
Expand all 25 lectures 04:41:38
+ Chart Foundations
5 lectures 59:34

Essential information to help you decide if this program is for you

Preview 10:31

Section One Lecture 2: Get grounded in chart  fundamentals that will make make sense of everything that follows.

Preview 14:59

Section One Lecture 3: chart foundations  and coordinates from the theoretical to the practical:  focus is on chart reading; distance measurements, compass rose; chart sizes and scales


Section One Lecture 4: Chart symbology:  the official symbols, abbreviations and terms on NOAA and international charts, with emphasis on the basics you most need to know.


Section 1 Lecture 5: Practice problems and solutions on basic chart plotting:  focus on lat/longs for location identification and measuring distances

Chapter1D Practice Problems/Solutions
+ Reading Nautical Charts
3 lectures 38:06

Section Two Chapter 6: Decoding charts and reading Aids to Navigation


Section Two Lecture 7:   Introduction to the buoyage system

Chapter2B Aids to Navigation

Section Two Lecture 8:  Bridges - day and night

Bridges, lighting and sounds
+ Dead Reckoning Navigation
2 lectures 25:05

Section 9 Lecture 9:  Introduction to the mindset and skills of dead reckoning navigation

Chapter 3A Dead Reckoning

Section 3 Lecture 10: Dead reckoning practice problems and solutions

Chapter3B Practice Problems/Solutions
+ Bearings and Fixes
3 lectures 30:23

Section 4 Lecture 11:  Bearing and Fixes:   plotting bearing and fixes, estimated  position, three-point fix

Chapter 4A Bearings & Fixes

   Section Four Chapter 12: Bearings & Fixes (cont)

Chapter4B Dead Reckoning Navigation: focus on estimated position, running fix,

Chapter Four Lecture 13:  practice problems and solutions to see if we've learned what we learned

Chapter 4C Practice Problems/Solutions
+ Current & Leeway
2 lectures 16:29

Section Five Chapter 14: Current and Leeway:  focus on terms; causes of tides and currents;set and drift, tables for prediction

Chapter5A Current & Leeway

Section Five Lecture 15: Current and Leeway:  Solving Situation I, Situation II and Situation III essential navigational problems

Chapter 5B Leeway & Current Situation I-III
+ Tides & Tidal Currents
1 lecture 17:15

Section Six Lecture 16:  Tides and Currents

Chapter 6 Tides & Currents
+ Navigation in Fog
1 lecture 13:14

Section 7 Lecture 17:  Navigation in fog:  nature of fog, actions to consider, audible sound signals, old salt practices

Chapter 7 Navigation in Fog
+ Electronic Navigation
1 lecture 20:37

Section 8 Lecture 18: Introduction n from "paper and pencil" to modern electronics

Chapter 8 Electronic Navigation
+ Rules of the Road
1 lecture 23:25

Section 9 Lecture 19:  "pecking order", stand-on and give-way; best practices, lights and sound signals

Chapter9 Rules Of The Road
+ Supplemental Content
6 lectures 37:30

Section 10 Lecture 20: Explanation of how variation and deviation affect the ship's compass

AppendixA Variation & Deviation

Section 10 Lecture 21: How to convert between True, Magnetic and Per Ship's Compass

AppendixB True-Per Ship's Compass conversions

Section 10 Lecture 22: Visibility table:  reference table and notes essential for solving for geographic and nominal light range at sea

AppendixC Visibility Table

Section 4 Lecture 23: list of essential and recommended publications for the mariner

AppendixD Publications for Mariners

Section 10 Lecture 24:   Illumination Table

AppendixE Resource Tables

Section 10 Lecture 25:  Top 10 tips essential for safety at sea

AppendixF Top 10 Tips