Which of these is NOT an example of Non-motorized GSE?

The correct answer is the belt loader, as it is a type of motorized ground support equipment (GSE) used to load and unload baggage and cargo from aircraft. Belt loaders are equipped with an engine or motor that drives a conveyor belt, facilitating the transportation of items directly from the terminal to the aircraft and vice versa.

In contrast, baggage carts, freight carts, and boarding bridges do not have their own motors. Baggage carts and freight carts are typically towed by vehicles or pushed manually instead of having engines, placing them in the category of non-motorized GSE. Boarding bridges are fixed structures that connect the aircraft to the terminal and do not require motors to function, further reinforcing the classification of these items as non-motorized.