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Ground Power Unit (GPU) - ✔✔The Ground Power Unit, or GPU, is a device used to
supply
aircraft with electricity while the aircraft is parked at the
gate. This keeps the aircraft from having to burn fuel to provide power, which keeps
costs down
Units come in two types
The Air Start Unit - ✔✔The Air Start Unit is used to help regional jet aircraft start
their engines in the event that a mechanical issue prevents
the aircraft from doing it on its own. The Air Start Unit
pushes pressurized air into the engines
The Valet Cart - ✔✔The Valet Cart or Carry-on Cart is used in some stations to
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, collect carry-on bags and assist with transporting them
between the cargo bins and the passenger door steps or
jetbridge. These carts are usually very simple in design,
with shelves to stack bags on and wheels to move the cart,
with a braking system in place to anchor the cart.
The Lavatory Servicing Vehicle - ✔✔The Lavatory Servicing Vehicle
The Lavatory Servicing Vehicle (also known as a Lav Cart) is
used in some stations to remove the waste and provide
flushing and refilling to the lavatory of an aircraft upoon
arrival at the gate.
The Potable Water Servicing Vehicle - ✔✔The Potable Water Servicing Vehicle (also
known as the
Water Cart) is used to replenish the supply of water
onboard an aircraft. Some stations use a Potable Water
Cabinet to accomplish this service
The Conditioned Air Unit - ✔✔In some stations, Conditioned Air Units are used to heat
the
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