Symbols are dealt with and plotting and magnetic etc. The art and science of navigating by yourself is free. For safe boating it is essential to know the positioning methods. This is a new international knowledge base. And in a safe way.
Health is everything and paramount when enjoying the great blue.
Yet, you don't have to pay any money. Symbols are dealt with and plotting and magnetic etc. The art and science of navigating by yourself is free. For safe boating it is essential to know the positioning methods. This is a new international knowledge base.