MMA Assessment OICNW-1-1D

Measure the altitude of the sun at meridian passage (local apparent noon)

Condition

Aboard a ship at sea, given a standard marine sextant, a clear horizon, a clear or partly cloudy sky.

Performance requirement

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

Measure the altitude of the sun as it transits the meridian on which the vessel is located.

determine the altitude within ± 1 minute of arc, after correction for index error, as compared with the altitude computed by the assessor.

Location

Assessed in MT‑4371 Sea Term IV: Marine Transportation.

References

STCW Knowledge, Understanding and Proficiency

  1. OICNW-A1.01

NVIC Tasks

  1. NVIC 12-14 Task 1.1.D Measure the altitude of the sun at meridian passage (LAN)