Join us for our LIVE ASA 107 Online Class starting in February 2025 with Captain Tom Tursi! This video will describe Celestial Navigation at sea, and how it can be combined with other information to form a useful ocean navigation process. If you ever wanted to know what celestial navigation was all about, this is your primer...

Contact us at office@mdschool.com if you have questions about this video which shows Chapter 6, Homework question 23 from ASA's Coastal Navigation & Piloting textbook: Plotting a Running Fix (RF) on a navigation chart based on two compass bearings on the same object taken at different times or on two different objects taken at different times.

Join us for our LIVE ASA 107 Online Class starting in February 2025 with Captain Tom Tursi! Contact us at office@mdschool.com if you have questions about this video... This video demonstrates the detailed calculations needed to convert a celestial shot of the Sun into a line of position for your navigation plotting sheet. It follows a sample problem contained in our Celestial Navigation for Sailors textbook, and provides detailed, step-by-step descriptions and graphics illustrating the process.

Converting between True degrees and Magnetic degrees, and to Compass degrees

Join us for our LIVE ASA 107 Online Class starting in February 2025 with Captain Tom Tursi! This video describes the celestial navigation sextant components and how it works; adjusting mirrors; selecting sun shades; determining index error; and shooting the sun by Captain Tom Tursi, a USCG Licensed Ocean Master with over 60,000 miles of blue water ocean sailing using celestial navigation.

Contact us at office@mdschool.com if you have questions about this video in which Maryland School of Sailing (http://mdschool.com/) held an online Webinar on Dec 7, 2024 discussing methods for creating up to date PDF navigation charts using the NOAA NCC custom chart Application, and the importance of basing navigation planning for a cruise on both the paper charts and onboard electronics such as GPS and chart plotters. Also discussed were methods for using the free NOAA ENC chart database in conjunction with navigation software on computers and mobile devices.

We will offer both Coastal Navigation (ASA105) and Celestial Navigation (ASA107) online courses during the Winter of 2026 on Zoom Webinar by Captain Tom Tursi and a live student body talking directly to each other. Each class will be conducted over five half-day Saturday sessions meeting from 9:00 am to 1:00 pm Eastern Time. Coastal Navigation course starts on Saturday, January 10, 2026, and Celestial Navigation starts on February 21, 2026. This video describes the setup for these courses, books included, registration procedures, Zoom requirements, and ASA certification testing which you may take at your home. Also, refer to our website for details: http://www.mdschool.com/Navigation.htm