Rules of the Road · Restricted Visibility Signals
In restricted visibility, which vessels sound one prolonged blast followed by TWO short blasts every 2 minutes?
- APower-driven vessels making way
- BPower-driven vessels stopped and not making way
- CNot Under Command, RAM, constrained by draft, sailing, fishing, or towing/pushing vessels✓ Correct
- DVessels at anchor
Explanation
Rule 35(c) assigns one prolonged blast followed by two short blasts to: vessels not under command (NUC), vessels restricted in ability to maneuver (RAM), vessels constrained by their draft, sailing vessels, fishing vessels, and vessels towing or pushing another vessel. All share this signal when underway in restricted visibility.
Authority: 72 COLREGS Rule 35(c)
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