BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in fog. Which signal is she required to sound?

Correct Answer: Option B — One prolonged and two short blasts

Rule 35(c) requires a vessel restricted in her ability to maneuver, a vessel constrained by her draft, or a vessel engaged in fishing to sound one prolonged blast followed by two short blasts. A sailing vessel is considered a vessel restricted in her ability to maneuver in this context.