USCG Exam PracticeRule 34 — Maneuvering and Warning Signals
Under the Inland Navigation Rules, three short blasts on the whistle by a power-driven vessel indicates which of the following?
- A. I intend to leave you on my port side
- B. I intend to leave you on my starboard side
- ✓ I am operating astern propulsionCorrect
- D. I am in doubt about your intentions
Why C is correct
33 CFR §83.34(a)(i)(3) states that three short blasts mean 'I am operating astern propulsion.' This signal applies in meeting and crossing situations when power-driven vessels are in sight of one another within half a mile.
Cited:33 CFR §83.34(a)(i)(3)