USCG Exam PracticeRule 7 — Risk of Collision
Under the Inland Navigation Rules, when must a vessel treat risk of collision as existing?
- A. Only when the compass bearing of an approaching vessel does not change
- ✓ Whenever there is any doubt as to whether risk of collision existsCorrect
- C. Only when radar confirms a closing range
- D. When the other vessel is within one nautical mile
Why B is correct
33 CFR §83.07(a) states that every vessel shall use all available means to determine if risk of collision exists, and if there is any doubt, such risk shall be deemed to exist. The rule does not limit this determination to radar confirmation or a specific distance.
Cited:33 CFR §83.07