- there are various vehicles used at the airport.
- when they move on the maneuvering area,
- there need the tower's permission just an aircraft does.
- There are pilot vehicles to lead taxiing aircraft when necessary.
- there are refueling vehicles, fire-fighting vehicles and freight vehicles which carry freight to the plane.
- there are tractors for pulling or towing the planes.
- And in case of emergencies, accidents, or sick passengers,there are ambulances too.