Which CAR part must be followed by maintenance personnel whenever they perform a maintenance task?

The correct answer is based on the understanding of the Regulations found in the Civil Aviation Regulations (CAR). Maintenance personnel must adhere to specific guidelines and standards to ensure safety and compliance in aircraft maintenance tasks.

Part 5 of the CAR deals primarily with the requirements for the approval and continuing airworthiness of aircraft and maintenance organizations. It lays out the fundamental obligations that must be followed by maintenance personnel to guarantee that their activities meet regulatory standards. This part emphasizes the importance of maintaining aircraft in a condition that is safe for flight, which directly relates to the responsibilities of maintenance personnel.

Understanding the structure and purpose of the various parts of CAR is essential because each part governs different aspects of aviation regulations. For example, other parts like Part 6, 7, and 8 might focus on different domains like certification standards, flight operations, or airworthiness directives. Therefore, while all the parts are important within the context of aviation regulations, Part 5 specifically outlines the necessary directives for maintenance practices, making it the relevant section that must be followed during maintenance tasks.