Drive and/or operate ground support equipment to include tow tractors, tow bars, belt loaders, container loaders, baggage tugs, water/lavatory service trucks, aircraft ground power units, aircraft air start units, air stairs, aircraft de-icing units, baggage carts, cargo dollies and passenger vans. Ramp agents provide all necessary and required under-wing ground support services as contracted by the customer, including, but not limited to, loading and unloading baggage and cargo, marshalling, water and lavatory servicing.