USCG Exam PracticeRule 7 — Risk of Collision
Under the Inland Navigation Rules, which statement correctly describes the required use of radar for determining risk of collision?
- A. Radar need only be used when visibility is restricted by fog or mist
- ✓ Radar shall be used for long-range scanning and radar plotting or equivalent systematic observation if fitted and operationalCorrect
- C. Radar plotting is required only on vessels over 100 gross tons
- D. Radar use is discretionary and depends on the prevailing circumstances
Why B is correct
33 CFR §83.07(b) requires that proper use be made of radar equipment if fitted and operational, including long-range scanning to obtain early warning of risk of collision and radar plotting or equivalent systematic observation of detected objects. There is no tonnage limitation stated in the rule.
Cited:33 CFR §83.07