INLAND ONLY Your power-driven vessel is overtaking another power-driven vessel in a narrow channel. You wish to overtake her on her starboard side. You should sound a whistle signal of __________.

Correct Answer: Option B — one short blast

Under Inland Rule 34(a), one short blast indicates 'I intend to leave you on my port side' (port-to-port pass), requiring a confirming one short blast from the other vessel.