Which procedure should be followed before towing an aircraft?

Inspecting the tow bar connection is a crucial step before towing an aircraft to ensure safety and proper operation. The tow bar serves as the physical link between the towing vehicle and the aircraft, and if it is not securely attached, it can lead to accidents or damage during the towing process. A thorough inspection involves checking that the tow bar is free from cracks or significant wear, confirming that the coupling mechanisms are working correctly, and ensuring that all safety pins and devices are engaged properly. This step helps prevent potential failures while maneuvering the aircraft, ultimately safeguarding personnel and equipment.

While checking fuel levels could be important for operational safety, it is not specifically related to the towing process. Similarly, changing oil is irrelevant at this stage and pertains more to maintenance rather than the immediate objectives of safely towing an aircraft. Checking in to the operations center is procedural but not as critical as confirming the integrity of the tow bar connection itself. Therefore, ensuring that the tow bar is correctly inspected directly addresses safety concerns during aircraft towing operations.