Question 122Rules of the Road90% to pass
BOTH INTERNATIONAL & INLAND To determine if risk of collision exists, a vessel which is fitted with radar must use which observation technique(s)?
AI Explanation
The correct answer is D) All of the above.
To determine if a risk of collision exists, a vessel fitted with radar must use radar scanning, radar plotting, and compass bearings. Radar scanning allows the vessel to detect the presence of other vessels, radar plotting allows the vessel to determine the relative motion and potential collision course of those vessels, and compass bearings allow the vessel to determine the direction of the other vessels. Using all three observation techniques is required by the Navigation Rules, both International and Inland, to properly assess the risk of collision.
The other options are incorrect because using only radar scanning or only compass bearings would not provide the complete information needed to determine the risk of collision.
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