Assessment OICNW-1-5B

Determine magnetic compass error

Assessed in MT-4133 Bridge Resource Management


On a ship underway or a full mission ship simulator, with both a magnetic and gyrocompass.

Performance Requirements

Behavior Standard
The student will: During assessment, the student shall, at a minimum:

Determine the magnetic compass error.

  1. The magnetic heading is compared to the corrected gyro heading (corrected for a known gyro error).
  2. The magnetic compass error is determined and properly labeled.
  3. The solution is ± 1° of the assessor’s solution.
  4. The error is correctly recorded in the compass record book.

Supports Table A-II/1 officer in charge of a navigation watch

Competence Knowledge, Understanding & Proficiency Task

Plan and conduct a passage and determine position

A1.07 Ability to determine errors of the magnetic and gyro-compasses, using celestial and terrestrial means, and to allow for such errors

Determine magnetic compass error

Published: 2016-10-28-04:00