BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?

Correct Answer: Option A — She must use this equipment to obtain early warning of risk of collision.

Under Inland Navigation Rules, for the condition where 'Which statement is TRUE concerning a vessel equipped with operational radar', the correct requirement is: 'She must use this equipment to obtain early warning of risk of collision.'. This standard ensures clear navigational intent and collision avoidance.