NVIC 12-14 Task 2.3.B

Maintain a safe navigational watch

OICNW-A2.3 Watchkeeping

The use of routing in accordance with the General Provisions on Ships’ Routing

On a vessel, or in a navigation laboratory, when given a port of departure and a port of arrival that are between 600 nm and 1,000 nm apart,

the candidate plans a safe and environmentally sound voyage plan, taking into account paragraph 3 of the annex to IMO Assembly Resolution A893(21).

The candidate:

1. Plots courses on appropriately scaled charts noting the ETA at each way point, including the final way point;

2. Correctly calculates and indicates courses and distances between way points on the charts;

3. Calculates the most direct route that avoids all hazards to navigation by a margin of safety of 3.0 nm;

4. Determines the areas of all required speed changes;

5. Determines positions requiring a change of machinery status;

6. Determines the waypoint for all course changes;

7. Determines the state of the tide and currents at the port of departure for the times of departure and transit;

8. Creates a contingency plan for alternative actions in cases of emergency;

9. Determines all relevant navigation information used to identify protected marine habitats, areas and sanctuaries; and

10. Reviews the voyage plan with the Master and deck officers.