BOTH INTERNATIONAL & INLAND In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a __________.

Under Inland Navigation Rules, for the condition where 'In a crossing situation on open waters, a sailing vessel shall keep out of the way of all the following vessels EXCEPT a', the correct requirement is: 'power-driven vessel approaching on her starboard side'. This standard ensures clear navigational intent and collision avoidance.