Final answer:
The Aeronautics Act is the overriding authority for aeronautical regulations in Canada, while the Canadian Aviation Regulations provide detailed requirements, and CARAC offers advisory collaboration.
Step-by-step explanation:
The overriding authority for aeronautical regulations in Canada is The Aeronautics Act (d). The Aeronautics Act serves as the fundamental legal framework governing aviation in Canada and is supported by the Canadian Aviation Regulations (CARS), which provide detailed requirements for aviation activities. The Canadian Aviation Regulatory Advisory Committee (CARAC) is an advisory body that collaborates with Transport Canada on regulatory initiatives, but it does not have overriding legal authority. The Air Navigation Orders are a historical set of rules that were superseded by CARS.