NVIC 12-14 Task 1.6.C

Plan and conduct a passage and determine position

OICNW-A1.06 Compass – magnetic and gyro

Knowledge of the principles of magnetic and gyro-compasses

On a vessel or in a navigation laboratory, when asked to describe deviation,

the candidate describes deviation.

The candidate’s description includes:

1. Cause of permanent deviation aboard ship;

2. Induced causes of deviation aboard ship; and

3. An explanation of why deviation changes over time, location, heading, loaded condition; and onboard equipment location.