BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 24 meters in length?

Correct Answer: Option B — A bell and a whistle

Under Inland Navigation Rules, for the condition where 'What is the minimum sound signaling equipment required aboard a vessel 24 meters in length', the correct requirement is: 'A bell and a whistle'. This standard ensures clear navigational intent and collision avoidance.