OICNW-1-2D

Plot the ship’s DR position

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

Plot the ship’s DR position

Assessed in: MT-2121 Deep Sea Navigation

Condition

On a ship underway or under laboratory conditions, and using a plotting sheet or chart, given the vessel's speed and course made good for the past four hours.

Behavior

Plot the ship’s DR position for every hour (or more frequently if required) for the duration of the watch.

Standard

The position is within ± 1 nm of the assessor’s position.