Coastal and Offshore Sailing
Yachtmaster Exams
RYA Yachtmaster Offshore Theory
e-Nav: Electronic Navigation and Radar Simulation
STCW95 Proficiency in Medical First Aid
Day Skipper Theory Course
Your Instructor and Values
Regina Laska
Sailing Books
Ocean Sail Training
Yachtmaster Ocean & Celestial Navigation
Astro-Advent in Bremen: 5. – 7. Dezember 2026
STCW95 Proficiency in Medical First Aid
Yachtmaster Exams
Free Celestial Video Courses
Celeistial Tips & Hacks
Why Celestial Navigation?
Buying a Sextant, Starfinder and Books
Values on Regina Laska
Regina Laska Story
General Specifications
Photos
Name
Equipment
Marina Coruna
Annual Refits
Safety Philosophy
FAQ
Old Technical Articels
Videos
Reginasailing Impressions
Leon’s Good to Know
Online Celestial Courses
Tidal Navigation
Cockpitgespräche mit Jules
Jessica und Leonie auf Törn
Light Design
Current Position
In the press
The Books
News & Events
Contact
Imprint and Privacy Policy
Coastal and Offshore Sailing
Yachtmaster Exams
RYA Yachtmaster Offshore Theory
e-Nav: Electronic Navigation and Radar Simulation
STCW95 Proficiency in Medical First Aid
Day Skipper Theory Course
Your Instructor and Values
Regina Laska
Sailing Books
Ocean Sail Training
Yachtmaster Ocean & Celestial Navigation
Astro-Advent in Bremen: 5. – 7. Dezember 2026
STCW95 Proficiency in Medical First Aid
Yachtmaster Exams
Free Celestial Video Courses
Celeistial Tips & Hacks
Why Celestial Navigation?
Buying a Sextant, Starfinder and Books
Values on Regina Laska
Regina Laska Story
General Specifications
Photos
Name
Equipment
Marina Coruna
Annual Refits
Safety Philosophy
FAQ
Old Technical Articels
Videos
Reginasailing Impressions
Leon’s Good to Know
Online Celestial Courses
Tidal Navigation
Cockpitgespräche mit Jules
Jessica und Leonie auf Törn
Light Design
Current Position
In the press
The Books
News & Events
Contact
Imprint and Privacy Policy
October 31, 2026
Leon’s Good to Know Videos
Leon’s Good to Know Videos
Leon answers your questions and shares his thoughts around coastal, offshore and ocean sailing, boats and equipment.
Engine Room Safety
Inspection: A failed Trudesign valve?!
Leon Explains: Inmast Furling Part 4 (4)
Leon Explains: Inmast Furling Part 3 (4)
Leon Explains: Inmast Furling Part 2 (4)
Leon Explains: Inmast Furling Part 1 (4)
Leon Explains: How to swing and calibrate your compass
Leon Explains: The Synoptic Weather Chart with Fronts and Fog
Leon Explains: Sources of weather forecasts
How to avoid cuts and burns in the galley
Galley hacks for stove and more
Emergency Transmitter (PLB) for small-boat adventuring
How a preventer is set up on Regina Laska
Why classic celestial navigation is worth learning
Reasons why I have sailed with an EPIRB for 30 years
Future of Paper Charts when planning a passage
H20 on a float free EPIRB
The new generation EPIRBs
Navigation & Communication Thoughts
"Spronging off" from dock
Using a bow thruster to move diagonally forward
Mediterranean mooring stern-to
Mooring alongside driving into the midship spring
MOB Traning with POB-Net
Filling and filtering water
Anchors and Anchoring Technique
Radar navigation in real fog
Comparing Paper Charts
Learning from mistakes and a quick repair
Using the template for Secondary Port Calculation
Bowline and Hunter's Bend on Regina Laska
Finding best departure time & route using PredictWind
Planning an offshore leg with TimeZero
Planning a coastal leg with TimeZero
Vector and Raster Charts
How to throw a lasso line
How to sail dead downwind on Regina Laska?
How to install a Hammar H20 Small Raft on a sailing boat?
How to install running backstays on a sailing boat?
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