Exam Questions and Corresponding
Answers with Surety of 100% Pass Mark
Ground Power Unit (GPU) - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔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 - 🧠ANSWER ✔✔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
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, The Conditioned Air Unit - 🧠ANSWER ✔✔In some stations, Conditioned
Air Units are used to heat the
passenger cabin of the aircraft in the winter and cool it in
the summer. These may be stand-alone units that are
towed into position by a tug, or they may be attached to a
jetbridge.
The Air Stairs - 🧠ANSWER ✔✔On some aircraft, without built-in stairs, it is
necessary to
place a set of portable air stairs at the passenger door.
These stairs are equipped with wheels and a braking
mechanism to hold the stairs in place at the aircraft.
The Passenger Lift Device - 🧠ANSWER ✔✔The Passenger Lift Device (or
PLD) is used to provide a safe
means of entering or exiting the aircraft when passengers
require special assistance. There are different models of
Passenger Lift Devices, each with their own operating
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY STATEMENT.
ALL RIGHTS RESERVED
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