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Basic Surface Geometry

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Below is a brief summary of how locations are commonly expressed on different surfaces.

  • Plane Surface (flat)—Two numerical coordinates (x and y) for locating objects in a plane
  • Space (3 dimensions)—Three numerical coordinates (x, y, and z) for locating objects in space
  • Earth’s surface (curved surface)—Use latitude and longitude
    • Latitude (North or South of the equator)—expressed in degrees
    • Longitude (East or West of the prime meridian)—expressed in degrees
    • Additionally, airplanes use latitude, longitude, and altitude

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Knowledge and theory for longer distances and overnight sailing in diverse conditions. The Skipper Course is a comprehensive online sailing course for beginner to intermediate sailors wanting to learn how to sail larger sailboats 26ft to 56ft. Or upgrade to the Skipper Course Bundle of online courses to also master maneuvering under power and docking!

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  • Grant Headifen

    My vision for NauticEd is to ensure that families and friends get out on the water not only safely but with true COMPETENCE, confidently savoring every moment of their valuable time.

    Achieving this means being the pinnacle of sailing and boating education—offering comprehensive multi-media theoretical instruction coupled with hands-on, on-the-water training through our global network of American National Standards Instructors. We steadfastly avoid becoming a mere certification mill; our focus is on delivering genuine competence, ensuring our students are well-prepared for enjoyable, real-world boating experiences.

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Last updated on August 12th, 2024
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