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OICNW-1-2C

Fix by tangent bearings of two identified objects

Function: Navigation at the operational level

Competence Knowledge, Understanding & Proficiency Task

Plan and conduct a passage and determine position

A1.02 Terrestrial and coastal navigation

Ability to determine the ship’s position by use of:

  1. landmarks
  2. aids to navigation, including lighthouses, beacons and buoys
  3. dead reckoning, taking into account winds, tides, currents and estimated speed

Fix by tangent bearings of two identified objects

Assessed in: MT-3122 Radar Observer Certification

Condition

On an operational marine radar or a radar simulator that meets applicable national and international performance standards, with land and buoys displayed, and given a chart with a scale of no more than 1: 80,000.

Behavior

Determine two or more tangent bearings measured from identified-charted objects or points of land and plot them.

Standard

The position is within ± 0.5 nm of the assessor’s position.