USCG Exam PracticeRule 7 — Risk of Collision
Under the Inland Navigation Rules, if any doubt exists as to whether risk of collision is present, how shall that doubt be resolved?
- A. The vessel shall slow to bare steerageway until the doubt is resolved.
- ✓ Risk of collision shall be deemed to exist.Correct
- C. The vessel shall sound one prolonged blast and await a response.
- D. Risk of collision shall be deemed not to exist until confirmed by radar.
Why B is correct
33 CFR §83.07(a) states explicitly that if there is any doubt, risk of collision shall be deemed to exist. The rule places the burden on the mariner to treat uncertainty as a confirmed risk, not to wait for further confirmation.
Cited:33 CFR §83.07