USCG Exam PracticeRule 5 — Look-out
A manned vessel being towed in restricted visibility is required to sound which fog signal, and at what maximum interval?
- A. One prolonged blast followed by two short blasts, at intervals of not more than 2 minutes
- ✓ One prolonged blast followed by three short blasts, at intervals of not more than 2 minutesCorrect
- C. Two prolonged blasts in succession, at intervals of not more than 2 minutes
- D. A bell rung rapidly for about 5 seconds, at intervals of not more than 1 minute
Why B is correct
33 CFR §83.35(e) requires a manned vessel being towed, or the last vessel of a tow if more than one is towed, to sound one prolonged followed by three short blasts at intervals of not more than 2 minutes. When practicable, this signal shall be made immediately after the towing vessel's signal.
Cited:33 CFR §83.35