BOTH INTERNATIONAL & INLAND A sailing vessel shall not impede the safe passage of which vessel(s)?

Correct Answer: Option B — power-driven vessel following a traffic lane

Rule 18(d)(i) dictates that any vessel other than a vessel not under command or a vessel restricted in her ability to maneuver shall, if the circumstances of the case admit, avoid impeding the safe passage of a power-driven vessel following a traffic lane in a TSS.