OICNW-2-1D
Determine risk of collision
Function: Navigation at the operational level
| Competence | Knowledge, Understanding & Proficiency | Task |
|---|---|---|
|
Maintain a safe navigational watch |
A2.1 Watchkeeping Thorough knowledge of the content, application and intent of the International Regulations for Preventing Collisions at Sea, 1972, as amended |
Determine risk of collision |
Assessed in: MT-4253 Watchkeeping using Full-Mission Bridge Simulator
Condition
On a ship underway, a full mission ship simulator, or using approved laboratory equipment, and using a gyro-compass repeater and an azimuth circle, bearing circle, alidade, or other device for taking bearings, and a marine radar or ARPA meeting IMO performance standards set on the 12 mile scale and the targets more than 8 miles away.
Behavior
Determine if risk of collision exists with approaching meeting, crossing and overtaking vessels.
Standard
- Two visual bearings of an approaching vessel are taken using an azimuth circle, bearing circle or alidade to determine if the bearing to the approaching vessels is appreciably changing..
- Two electronic bearings of an approaching vessel are taken on a radar or an ARPA to determine if the bearing to the approaching vessels are appreciably changing.
- Correctly determines if risk of collision exists.
