Sailing Yacht Skipper
& Instructor
Yannis Gkoumas
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Sources

Yacht Training Notes

Sailing Videos

Sextant Calculations Software

Sience of Sailing Articles (in Greek)

Yannis Gkoumas

  • Athens, Greece
  • +30 698 695 1560
  • ygkoumas@gmail.com
  • Home
  • About
  • Gallery
  • Sources
  • Contact