Advanced Cruising & Seamanship (ASA Textbook 106)

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The American Sailing Association is proud to announce a new textbook in partnership with North U. created to accompany the ASA 106 course Advanced Cruising. To teach the high-level sailing and sail trim principles we have worked with Bill Gladstone to update his popular workbook and bring it to the ASA audience.

This book has been created for those looking to continue their cruising and seamanship skills. You will get a deep insight into how to improve performance of your boat in both upwind and downwind situations, heavy weather environments, long-distance cruising, and more.

Here are just a few topics from the book:

  • How understanding Bernoulli’s Principle unlocks the keys to going fast
  • The 3 sources of mainsail power (Angle of Attack, Depth, & Twist)
  • Getting the most power possible out of the jib and mainsail
  • How to fix too much/little weather helm
  • Running wing-and-wing
  • Gennakers and asymmetrical spinnakers
  • Symmetrical spinnaker sailing
  • Broaches, dismastings, and other emergencies
  • Preparing your boat for a long-distance cruise
  • How to address seasickness
  • Anchoring in all different situations including rafting
  • And much, much more– over 180-page textbook!

This book not only helps you improve your performance, but also how to tackle problems as they arise such as what to do if…
...the electrical system is down...the engine won’t crank over...a line gets fouled in your prop...the head is clogged...AND MANY MORE

Advanced Cruising & Seamanship is perfect for sailors prepping to take ASA 106 and skippers looking to improve their sailing skills and knowledge. Here is a chapter listing of the topics covered in the book:

  • Chapter 1 - Welcome Aboard
  • Chapter 2 - Sail Theory
  • Chapter 3 - Upwind Sail Trim
  • Chapter 4 - Downwind Sail Trim
  • Chapter 5 - Safety
  • Chapter 6 - Weather And Navigation
  • Chapter 7 - Coastal Passagemaking
  • Chapter 8 - Heavy Weather Sailing
  • Chapter 9 - Engineering And Troubleshooting
  • Chapter 10 - Coming Ashore


  • 5
    Advanced Cruising and Seamanship book

    Posted by Kriste Sanders Seber on 13th Apr 2024

    It appears that every aspect of sailing is in this book, a mini encyclopedia. The best part is that it is easy to read and comprehend. I enjoyed it immensely!

  • 5

    Posted by todd welti on 31st Oct 2023

    Excellent book! Just the right level of information. Not too lengthy or complex, but not trivial information I can get easily elsewhere. Lots of practical advice and easy to digest.

  • 4
    Advanced Cruising & Seamanship, ASA 106

    Posted by Dave on 8th Dec 2021

    The sail trim sections are the most detailed and strongest part of the book. Many of the other sections give good overviews, leaving more detailed reviews to ASA 103 & 104 texts, which seems reasonable.