EASY Question #71:

What airport vehicles are involved in the pre-flight preparation? Which airport vehicles are used during pre-flight preparations? What types of ground vehicles assist in preparing an aircraft for flight?

Answer:

There are many airport vehicles that are involved in pre‑flight preparation, such as fuel trucks, water and lavatory service vehicles, catering trucks, tugs, de‑icing vehicles, baggage loaders, shuttle buses, and so on.