Able to apply celestial navigation theory and practices for safe navigation of a sailing vessel in offshore waters. On-water celestial navigation skills elements are demonstrated in ASA 108, Offshore Passagemaking.
1. Convert longitude into time.
2. Convert standard time and zone time to GMT and vice versa.
3. Calculate the zone time given longitude.
4. Calculate the chronometer (or watch) error given a previous error and the daily rate.
5. Apply the corrections for index error, dip of the horizon, and total correction to convert sextant altitudes of the sun, stars, planets, and moon to true altitudes.
6. Calculate the time of meridian passage of the sun and calculate the boat’s latitude from the observed meridian altitude of the sun.
7. Determine the latitude at twilight by means of the Pole Star.
8. Solve the navigational triangle using a navigation table and show all appropriate work.
9. Plot celestial lines of position on a Mercator projection or on a universal plotting sheet.
10. Calculate the times (ship’s and GMT) of sunrise, sunset and twilight.
11. Determine the approximate azimuths and altitudes of the navigational stars and planets at twilight.
12. Calculate and plot the lines of position obtained from observations of several celestial bodies at twilight and thus find the boat’s position.
13. Advance the LOP obtained from a sun sight to another LOP obtained from the sun at a later time and find the boat’s position using a running fix (sun-run-sun).
14. Calculate the true bearing of a low altitude celestial body in order to determine the error and deviation of the compass.
The American Maritime Academy was established in 2006 to provide a maritime educational program that is both in-depth and accessible to the average mariner whose aspirations revolve around power-boat and sailboat handling. Our strategic uniqueness in the Middle-East stems from the lack of comparable establishments, which cater to the booming yachting industry in the twelve Arab countries of the region.
Delmarva Sailing School operates on the Chesapeake Bay from May-October. We run as Virgin Islands Sailing Academy in Saint Thomas, US Virgin Islands from December-April, with the same great sailboat and instructors. We also teach Ocean Passage Making, as we move our teaching vessel in between the Chesapeake Bay and Saint Thomas.
Join us in Miami and the Florida Keys for an all-inclusive, multi-day liveaboard trip or a private daytime class. We specialize in teaching couples and most of our trips are taught by couples who are both captains and instructors. All ASA levels from Basic Keelboat to Offshore Passagemaking and Catamaran certification are offered. We offer easy going instruction in the clear, calm waters of Biscayne Bay; or sail with us in the Bahamas, Eastern Caribbean and Greece. Make memories that you will treasure for a lifetime.
Since 1983, Modern Sailing School & Club has been introducing people to sailing from our headquarters in Sausalito, California. Even if you have never set foot on a boat, we can teach you everything you need to know to build a strong foundation in this rewarding and life long sport.
We teach and certify our students to ASA standards, and offer beginning and intermediate level sailing classes. By choosing Nockamixon Sailing School for your sailing education you can realize your dream of learning to sail. Our alumni charter sailboats in destinations all over the world, and many have purchased their own sailboat.
PSSI has one of the most complete and varied programs in the country. Classes can be taken in challenging Puget Sound or on one of our Exotic Sailing Vacations in the Caribbean, Sea of Cortez, South Pacific or Greek Islands!
We own three boats, a Cal 22, a Hunter 28, and a new Beneteau Oceanis 41 for our 104 and 106 classes. Our beginning courses are taught over three days in the peaceful Chester River just off the Chesapeake Bay. For our 104 class we explore the calm rural anchorage areas of the Eastern Shore and visit Annapolis. Our 106 class does a Delmarva circumnavigation of approximately 450-500 nm with lots of night and ocean sailing experience.
Aloha! Sail Hawaii offers beginner to advanced sailing and navigation instruction and private sailing cruises to visitors and kama’aina in the beautiful waters of Hawai’i. Day sailing and live aboard courses are taught by professional and experienced instructors, both in a comfortable classroom and with practice aboard our classic style sailboats. Our courses are regularly scheduled and affordably priced for individuals and small private groups.
Our racing and cruising and chartering experience enables us to target the training to our student’s particular requirements. We truly love our jobs, but we take our sailing seriously so you will be safe on the water.
Seattle Sailing Club is the home of fun, affordable sailing on the Puget Sound. As one of the most active and vibrant ASA certification schools in the country, our experience teaching sailing is second to none. The priorities for each course are simple: Safe, Fun, and Professional. Our staff of well-qualified sailing instructors are licensed through the U.S. Coast Guard and American Sailing Association, and more importantly are committed to helping you achieve your sailing goals.
Located in the summer vacation resort village of Port Sanilac, we can certify you and prepare you for your next sailing adventure. Capt’n John Diel has over 40 years of sailing experience and almost 100,000 miles of sailing logged. He has sailed and trained many for family adventures and for long distance blue water passage making. He is a “Salty Dog” – a title given by ARC to those who have sailed many miles and ocean passages.
South Coast Sailing Adventures is conveniently located in Kemah, Texas – 30 minutes from downtown Houston or Galveston. All of our instructors are U.S.C.G. licensed captains and are certified by the ASA. We utilize training boats specifically designed to teach beginning sailors and we have the largest sailing fleet along the northern Gulf Coast with 24+ boats ranging from 23-45′ from manufacturers like Colgate, Catalina, Beneteau, and Hunter.
Tradewinds Sailing School has a program for sailors at any level who are serious about gaining the foundation knowledge of sailing and continuing on to become a competent sailor.
In the Caribbean, the water is 78-82 and air, about the same with 10-15 knot breezes 340 days a year. We are based in St Thomas (which is more economical to fly in to) but spend most of our time island hopping in the BVIs. With so many islands, the majority of ocean swells are block making for fast, comfortable sailing. Students are limited to 6 per class and matched to our small but outstanding group of highly experienced instructors.
All of our sailing classes are taught in a 3-9 day, live aboard approach, where students are totally immersed into learning to sail and cruise, and no hotels are required. Class size is kept small and is typically 3-4 students. Visit exotic destinations in Tortola, Jost van Dyke, Virgin Gorda, St. John, and St. Thomas while taking beginner to intermediate level sailing classes. Visit St. Croix, Anegada, Vieques, and Culebra in advanced classes.
Windward SeaVenture Charters has instructors voted “Instructor of the Year” in 2002, 2005, 2006, 2013 and they all are USCG Master Level licensed captains with over 30 years’ experience in sailing and teaching. We also offer you a discount on all charters you take with us for 1 year from your date of completion of any class with no monthly club dues or yearly fees. Our class sizes are limited to 4 persons plus instructor, so that you will have individual attention.
Yachtpro was established in Phuket Thailand in 1999. It’s a combination of friendly professional instruction and spectacular location making learning to Sail in Paradise a unique experience. We teach from ASA 101 to ASA 108 and ASA 114.
Congratulations! You passed your ASA 107, Celestial Navigation so which ASA certifications should you take next?