Ian Crowson Yachting Services is based in Portsmouth, Hampshire on the Solent.

2017 - I am no longer an RYA approved establishment.

I offer Preparation for the RYA/MCA Yachtmaster Exam.


This website has lots of interesting and useful information about astro/celestial navigation and  general nautical, weather and sailing interest.

Welcome to my web site. Please explore and enjoy.

Feel free to email with any questions or comments.

Ian Crowson RYA/MCA Yachtmaster Instructor

          Home       Navigation Training     Yachtmaster Prep       Astro Nav      Nautical Interest      Personal Profile       Contact Details