USCG Exam Practice · Rule 7 — Risk of Collision
Under the Inland Navigation Rules, what obligation does Rule 7 place on a vessel equipped with a functioning radar set?
- AThe vessel must use radar only in restricted visibility conditions
- BThe vessel must make proper use of radar, including long-range scanning and radar plotting or equivalent systematic observation✓ correct
- CThe vessel must use radar solely to determine the speed of approaching vessels
- DThe vessel must report radar contacts to the nearest Vessel Traffic Service
Why B is correct
33 CFR §83.07(b) requires proper use of radar equipment if fitted and operational, including long-range scanning for early warning and radar plotting or equivalent systematic observation. The obligation applies whenever the equipment is fitted and operational, not only in restricted visibility.
Cited:33 CFR §83.07
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