What does an operator primarily ensure during in-service weighing of an aircraft?

The primary responsibility of an operator during in-service weighing of an aircraft is to ensure that safety and weight limitations are adhered to. This process is crucial because an aircraft's performance, safety, and compliance with regulatory standards are heavily influenced by its weight.

Ensuring that the aircraft is within specified weight limits helps prevent situations such as overload, which can affect structural integrity and operational performance. It is essential for the operator to accurately measure the weight and balance of the aircraft to optimize flight safety, enhance fuel efficiency, and ensure compliance with operational limits set by aviation authorities.

While compliance with manufacturer specifications, regular maintenance schedules, and aesthetic standards are important aspects of aircraft management, they are not the primary focus during the weighing process, which is fundamentally concerned with the implications of weight on safety and operational functionality.