Towing & Ship-Assist · Sound Signals — Manned Tow in Restricted Visibility
In restricted visibility, a manned vessel being towed (if separately signaling) sounds, immediately after the towing vessel's signal:
- AOne short blast only
- BTwo prolonged blasts
- CFive short blasts
- DOne prolonged blast followed by three short blasts✓ Correct
Explanation
Rule 35(c) has the towing vessel sound one prolonged followed by two short blasts at intervals of not more than two minutes. Rule 35(e) directs a manned towed vessel to sound one prolonged followed by THREE short blasts, where practicable immediately after the towing vessel's signal.
Authority: Navigation Rules, Rule 35(e)
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