The art and science of navigating by yourself is free. For safe boating it is essential to know the positioning methods. The art and science of navigating by yourself is free. This is a new international knowledge base. These techniques are proven and time-honored.
Health is everything and paramount when enjoying the great blue.
This is a new international knowledge base. You won't need electronic equipment. For safe boating it is essential to know the positioning methods. Old seafarers used the seem techniques as explained in these materials. For safe boating it.