Ocean Navigation

Astronavigation fundamentals for ASC sailors
An ASC-level introduction to celestial techniques and ocean passage prep for sailors who want to expand beyond coastal sailing. Learn the basics of sextant use, ocean weather patterns, and how to plan and manage longer crossings.
At a glance
  • Experience: Offshore navigation experience recommended
  • Duration: Multi-day
  • Format: Classroom and planning workshops
  • Location: Rome
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Course overview

What you’ll cover
  • Celestial basics and sextant intro
  • Timekeeping and sight reduction fundamentals
  • Ocean meteorology and swell patterns
  • Great-circle concepts
  • Long-range communications
  • Passage planning for bluewater hops
  • Emergency considerations offshore
  • Backup navigation strategies

What to bring

Pack light and practical
  • Passport or ID
  • Sunglasses with case
  • Sun cream and hat
  • Notebook and plotting tools
  • Reference books for the class