NVIC 12-14 Task 1.7.A

Plan and conduct a passage and determine position

OICNW-A1.07 Compass – magnetic and gyro

Ability to determine errors of the magnetic and gyro-compasses, using celestial and terrestrial means, and to allow for such errors

On a vessel underway or on a simulator, using navigational or natural terrestrial ranges,

the candidate takes a visual bearing of the range and determines gyro-compass error.

The candidate:

1. Compares the visual bearing to the charted bearing;

2. Determines the gyro-compass error and properly labels it; and

3. Determines the gyro-compass error to within ± 1.0° of the assessor’s solution.