INLAND ONLY You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST __________.

Correct Answer: Option C — propose or answer one or two blast whistle signals given by the other vessel if passing within half a mile

Under Inland Navigation Rules, for the condition where 'You are proceeding up a channel in Chesapeake Bay and are meeting an outbound vessel. There is no current. You MUST', the correct requirement is: 'propose or answer one- or two-blast whistle signals given by the other vessel if passing within 1/2 mile'. This standard ensures clear navigational intent and collision avoidance.