The objective of this course to be able to Review all Navigation Instruments and catalogues related to system limitations. Identify the various parts of the magnetic
compass and explain their functions. They will understand the reasons for the change of compass deviation with time and position and the need for routine checking of the ship’s deviation. They will also be able to produce and analyse a deviation table. Officers will have a knowledge and understanding of gyrocompass errors and will be able to evaluate possible errors and appreciate the limitations of the instrument.