BOTH INTERNATIONAL & INLAND Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel?

Correct Answer: Option A — A vessel of less than 20 meters in length

Under Inland Navigation Rules, for the condition where 'Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel', the correct requirement is: 'A vessel of less than 20 meters in length'. This standard ensures clear navigational intent and collision avoidance.