INLAND ONLY The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel __________.

Correct Answer: Option D — intends to leave the other on her port side

Under Inland Navigation Rules, for the condition where 'The stand-on vessel in a crossing situation sounds one short blast of the whistle. This means that the vessel', the correct requirement is: 'intends to leave the other on her port side'. This standard ensures clear navigational intent and collision avoidance.