august2021 - 28

GROUND SERVICE
PROVIDERS
they're supposed to, that's when you can start
having issues. That's why we have record
keeping and processing, auditing, to verify
and go back. The one thing you don't want to
do is find out you have an aircraft accident,
and then you go back and look at your records
and find out somebody's been skipping two or
three of these steps. They're not checking in
the fuel right or whatever. They're not following
the procedures, " Clark says.
Contaminants can enter into a fuel supply
at any time. Water is the main contaminant
operators should be concerned of as it leeches
into fuel merely from the air around it.
" Every one of those tanks, fuel tanks, and
that truck, even the aircraft, are vented to the
atmosphere. Every time we pump fuel out of
that tank into the refueler truck, or from the
refueler truck to the aircraft, we're sucking in
air. Air has particulate and water in it, so we're
sucking in contaminants. That's why we have
filtration to remove that stuff, and that's why
we do something, " Clark says.
The warmer the fuel, the more water it can
hold. It's why those in hot and humid climates
need to be especially cautious. Clark says that
when it's 70 degrees F, fuel can hold 70 parts
per million of water. If that water is in the
fuel, it will cool as the plane ascends - possibly
forming into ice and creating problems.
" That's why some aircraft, jet aircraft,
require pretreated jet fuel that has anti-icing
additive. Other aircraft have heat exchangers
on their tanks to keep the fuel warm, and it
keeps that water from freezing. If you don't
have that and the water falls out of the fuel,
now you've got water up in the sky in your
aircraft. The same thing that happens in our
fuel tanks with the FBO happens in the aircraft.
That's why we tell people, 'You have to
sump your aircraft,' " Clark says.
Don't Trust - Verify
With all the checks and balances in place
and employees following the correct protocols,
preventing fuel contamination from the
environment is manageable. A greater threat,
though, can be preventing cross contaminations
of fuels due to human error.
" You always have that risk of cross contamination.
One of the things when we're receiving
fuel into the FBO, you've got tanks, you've
got jet tanks and you've got avgas tanks. That
transport truck can hook up to anything, "
Clark says.
If avgas and jet fuel ever become accidentally
contaminated with the other, the whole
batch has to be discarded.
" Unfortunately, over the years, that's happened.
They've accidentally put jet fuel into an
avgas tank, avgas into a jet tank because they're
not thinking (or) because there's no security
on those padlocks, on those fill points, " Clark
says.
One of the ways to prevent cross contamination
is with each fill point being locked
with separate locks requiring separate keys
and key chains labelling them as either for
avgas or jet fuel.
AviationPros.com/10017340
28 GROUND SUPPORT WORLDWIDE AUGUST 2021
http://www.globalgroundsupport.com http://www.AviationPros.com/10017340

august2021

Table of Contents for the Digital Edition of august2021

Business Buzz
Industry Expert Column: General Aviation and the Environmental Agenda
The Right Equipment for the Job
How Ground Handlers Create a Culture of Safety
Clean Supply: Preventing Aviation Fuel Contamination
How Air Cargo Can Help India Recover
2021 International GSE Expo Preview
A Deicing Evolution
Product Hangar
Editor's Note: Ready to Reconnect
august2021 - 1
august2021 - 2
august2021 - 3
august2021 - 4
august2021 - 5
august2021 - Business Buzz
august2021 - 7
august2021 - 8
august2021 - 9
august2021 - 10
august2021 - 11
august2021 - Industry Expert Column: General Aviation and the Environmental Agenda
august2021 - 13
august2021 - 14
august2021 - 15
august2021 - The Right Equipment for the Job
august2021 - 17
august2021 - 18
august2021 - 19
august2021 - 20
august2021 - 21
august2021 - How Ground Handlers Create a Culture of Safety
august2021 - 23
august2021 - 24
august2021 - 25
august2021 - Clean Supply: Preventing Aviation Fuel Contamination
august2021 - 27
august2021 - 28
august2021 - 29
august2021 - How Air Cargo Can Help India Recover
august2021 - 31
august2021 - 32
august2021 - 33
august2021 - 2021 International GSE Expo Preview
august2021 - 35
august2021 - 36
august2021 - 37
august2021 - 38
august2021 - 39
august2021 - 40
august2021 - 41
august2021 - A Deicing Evolution
august2021 - 43
august2021 - Product Hangar
august2021 - 45
august2021 - 46
august2021 - 47
august2021 - 48
august2021 - 49
august2021 - Editor's Note: Ready to Reconnect
august2021 - 51
august2021 - 52
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