BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

Correct Answer: Option B — A seaplane on the water shall, in general, keep well clear of all vessels.

Under Inland Navigation Rules, for the condition where 'Which statement is TRUE concerning seaplanes on the water', the correct requirement is: 'A seaplane on the water shall, in general, keep well clear of all vessels.'. This standard ensures clear navigational intent and collision avoidance.