OICNW Task 1.4.A

Position fix by two ranges

MMA Method

In order to satisfy NVIC 12-14 Task 1.4.A , MMA students must:

NVIC Method

See NVIC method.

STCW Competence Knowledge, Understanding, and Proficiency

Plan and conduct a passage and determine position

OICNW-A1.04 Electronic systems of position fixing and navigation

Ability to determine the ship’s position by use of electronic navigational aids

Condition Behavior Standard

Using a marine radar or a radar simulator that meets applicable national and international performance standards, with land and navigational aids displayed, and given a chart with a scale of no more than 1:150,000,

the candidate determines two or more ranges measured from identified charted objects or points of land and plots them.


The candidate’s position is within ± 0.10 nm of the assessor’s position.