ASA Online Courses

Further your sailing knowledge with online ASA courses

Online ASA Courses

We recommend these online sailing courses for sailors with prior experience bareboat chartering who are looking to improve on their skill set! These online ASA courses pair perfectly with advanced, in-person sailing courses with Go Sail Virgin Islands!

calendar

ASA 105 Coastal Navigation Online Course

Buy Now

ASA 105, Coastal Navigation Online Course

Prerequisite ASA 104, needed to take ASA 106

ASA 105 Coastal Navigation is essential for sailors ready to take out Advanced Sailing Course. By mastering traditional navigation skills, you’ll gain the freedom, confidence, and capability to plan multi-day routes, explore new cruising grounds, and safely adapt to changing conditions at sea.

KNOWLEDGE

✔️ Passage Planning

✔️ Tide tables

✔️ Navigation Rules

✔️ Chart Interpretation

✔️Navigation Techniques

SKILLS

✔️ Dead Reckoning

✔️ Bearing Techniques

✔️ Position Fixing

✔️Chart Plotting

✔️And So Much More!!

ASA 107 Celestial Navigation Online Course

Buy Now

ASA 107, Celestial Navigation Online Course

Prerequisite ASA 105

ASA 107 Celestial Navigation is for sailors ready to master the art of navigating by the sun, moon, planets, and stars, with the techniques that have guided mariners for over 40 millenniums. This course builds true self-reliance and offers a rewarding challenge for those seeking to navigate beyond the reach of electronics.

KNOWLEDGE

✔️ Principles of Celestial Navigation

✔️ Position by Stars

✔️ Solar and Lunar Navigation

✔️ Ocean Plotting

✔️Long-Distance Techniques

SKILLS

✔️ Sextant Operation

✔️ Time Conversion

✔️ The Navigational Triangle

✔️Plotting Positions

✔️Latitude by Sun or Pole Star

a close up of a sign

ASA 117 Celestial Endorsement Online Course

Buy Now

ASA 117, Celestial Edorsement Online Course

Prerequisite ASA 105

ASA 117 Basic Celestial Endorsement introduces sailors to the core techniques of celestial navigation, using the sun and stars to determine position with a sextant. Designed as a practical and approachable starting point, it builds confidence and provides a reliable alternative to electronic navigation for offshore or emergency situations.

KNOWLEDGE

✔️ Core Celestial Concepts

✔️ Naurical Almanac Use

✔️ Sunrise and Sunset Times

✔️ Twilight Determination

✔️Sextant Principles

✔️Backup Navigation

SKILLS

✔️ Sextant Operation

✔️ Time Conversion

✔️ Position Fixing

✔️Plotting Positions

✔️Latitude by Sun or Pole Star

a large body of water

ASA 119 Marine Weather Endorsement Online Course

Buy Now

ASA 119, Marine Weather Endorsement Online Course

No Prerequisites, but ASA 105 is highly recommended beforehand.

ASA 119 Marine Weather Endorsement teaches sailors how to confidently interpret weather data and recognize patterns that impact conditions at sea. With a strong focus on practical forecasting skills, this course helps you avoid surprises, make smarter routing decisions, and sail more safely in all types of marine environments.

KNOWLEDGE

✔️ Marine Weather Fundatmentals

✔️ Interaction of Weather Elements

✔️ Global Weather Systems

✔️ Wind System Behavior

✔️ Traditional Forecasting Methods

✔️ Modern Forecasting Tools

✔️ Weather-aware Voyage Planning

SKILLS

✔️ Wind Pattern Analysis

✔️ Pressure Interpretation

✔️ Cloud Identification

✔️ Seat State Observation

✔️ Weather Map Reading

✔️ Barometer Use

✔️ Satellite Data Interpretation

✔️ Onboard Forecasting

graphical user interface

ASA 120 Radar Endorsement Online Course

Buy Now

ASA 120, Radar Edorsement Online Course

Prerequisite ASA 105

ASA 120 Radar Endorsement equips sailors with the knowledge to confidently use radar as a critical tool in challenging conditions like fog, darkness, or unfamiliar waters. By learning both fundamental operations and advanced techniques, you’ll enhance your situational awareness and safety, becoming a more skilled and prepared navigator.