Final answer:
A Certificate of Airworthiness is the type of flight authority granted to an aeroplane certified in the Transport category.
Step-by-step explanation:
The type of flight authority granted to an aeroplane certified in the Transport category is a Certificate of Airworthiness.
A Certificate of Airworthiness is a document issued by the aviation authorities, such as the Federal Aviation Administration (FAA) in the United States, that certifies an aircraft's airworthiness and compliance with safety standards.
This certificate is required in order for an aircraft to operate commercially, and it ensures that the aircraft has been inspected, tested, and meets the necessary requirements for safe flight.