BOTH INTERNATIONAL & INLAND When shall the stand-on vessel in a crossing situation take action to avoid the other vessel?

Correct Answer: Option A — When action by the give-way vessel alone will not prevent a collision

Under Inland Navigation Rules, for the condition where 'When shall the stand-on vessel in a crossing situation take action to avoid the other vessel', the correct requirement is: 'When action by the give-way vessel alone will not prevent a collision'. This standard ensures clear navigational intent and collision avoidance.