Assessment OICNW-1-5G(A)

Azimuth of any body at night

Assessed in MT-4371 Sea Term IV: Marine Transportation

Condition

On a vessel or in a laboratory, given the UTC, azimuth bearing of body, assumed position, appropriate tables and almanac.

Performance Requirements

Behavior	Standard
The student will:	During assessment, the student shall, at a minimum:
Determine gyro compass error from celestial body.	The true azimuth of the body for the time of the reading is determined. The gyrocompass azimuth is compared to the true azimuth and the gyro error is determined. The solution is ± 0.5° of the assessor’s solution.

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	Azimuth of any body at night

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