USCG Exam PracticeRule 7 — Risk of Collision
Proper use of operational radar to determine risk of collision includes ______.
- A. short-range scanning and periodic visual cross-checks only
- B. radar plotting on the 3-mile range scale as the primary method
- C. systematic observation limited to vessels within the traffic separation scheme
- ✓ long-range scanning and radar plotting or equivalent systematic observationCorrect
Why D is correct
Both rule sets require that proper use of radar include long-range scanning for early warning and radar plotting or equivalent systematic observation of detected objects. COLREGs Rule 7(b); 33 CFR §83.07(b).