Which PCAR part describes the weighing requirements for Philippine-registered aircraft?

The correct answer is indeed the part that addresses the weighing requirements for Philippine-registered aircraft. In aviation regulations, weighing an aircraft is crucial to ensure safety, proper performance, and adherence to operational limits. This part typically outlines the specific requirements for weighing procedures, the frequency of weighing for maintenance and certification, how to consider load and balance calculations, and the necessary documentation to maintain compliance.

Part 5 of the Philippine Civil Aviation Regulations (PCAR) specifically pertains to the standards for maintaining airworthiness, which includes critical elements such as weight and balance, as aircraft weight directly affects flight characteristics. This ensures that the aircraft operates safely within its designed limits.

In contrast, the other parts cover different aspects of aviation regulations, such as airworthiness procedures, licensing, and operational rules, which do not specifically address the weighing requirements for aircraft. Therefore, focusing on these details solidifies understanding of the regulations governing aircraft safety and operational integrity in the Philippines.