USCG Exam PracticeRule 32 — Sound Signal Definitions
A power-driven vessel is underway in restricted visibility and is making way through the water. Under the Inland Navigation Rules, which sound signal is required?
- A. Two prolonged blasts at intervals of not more than 2 minutes
- ✓ One prolonged blast at intervals of not more than 2 minutesCorrect
- C. One prolonged followed by two short blasts at intervals of not more than 2 minutes
- D. One prolonged blast at intervals of not more than 1 minute
Why B is correct
33 CFR §83.35(a) requires a power-driven vessel making way through the water to sound one prolonged blast at intervals of not more than 2 minutes. Two prolonged blasts applies to a vessel underway but stopped and making no way per §83.35(b).
Cited:33 CFR §83.35