USCG Exam PracticeRule 35 — Sound Signals in Restricted Visibility
In restricted visibility, a power-driven vessel underway but stopped and making no way through the water shall sound which signal?
- A. One prolonged blast at intervals of not more than 2 minutes
- B. Two short blasts at intervals of not more than 2 minutes
- ✓ Two prolonged blasts in succession, with an interval of about 2 seconds between them, at intervals of not more than 2 minutesCorrect
- D. One prolonged followed by two short blasts at intervals of not more than 2 minutes
Why C is correct
Inland Rule 35(b) specifies that a power-driven vessel underway but stopped and making no way shall sound two prolonged blasts in succession with an interval of about 2 seconds between them, at intervals of not more than 2 minutes. One prolonged blast is reserved for a vessel making way.
Cited:33 CFR §83.35(b)