Except from the nautical chart, in order to ensure the required safety, the mariner is obliged to use a variety of nautical instruments. The appropriate use of the nautical chart requires certain “surveying instruments” that are mandatory in vessels. (1) Parallel for shaping courses and bearings (2) Pair of compasses for measuring distances (3) Protractor […]

Magnetic Compass It is a valuable and basic navigational instrument that is fully combined with the vessel’s safety. It consists of the magnetic needle that is freely hanged on a horizontal plane. When at land, it is affected by the earth’s magnetism and is oriented towards the direction of the magnetic North. In iron vessels, […]