AOPA Pilot Magazine - April 2022 - 90

RUDDER & WRENCH
90
gallons of gasoline made in the United
States were avgas.) The good news is
that in years past, the industry invested
in special equipment to make MTBE, a
mogas oxygenate additive. That additive
was outlawed because it disproportionately
contaminated ground water, but it
turns out that the equipment and plants
built to make MTBE are easily adapted
to manufacture aviation alkylate, which
does not have that disproportionate
effect on ground water. Most of that
ad hoc alkylate product goes to mogas
blending today, but it could easily be
diverted to higher value avgas blending
without adversely affecting the much
larger mogas market.
Challenges. GAMI is beginning its
final 150-hour endurance run prior to
the FAA adding all the remaining higher
compression and turbocharged engines
to the STC. The original plan was for
that to happen second quarter of 2022,
but new dynamics between the EPA and
FAA on outlawing lead in gasoline could
cause some delays; hopefully not. Swift
Fuels forecast last year that it would have
its STC in the 2022/2023 time frame.
Phillips 66/Afton Chemical (one team)
and Lyondell Chemical/VP-Racing (the
other team) are both working through
the FAA's Piston Aviation Fuel Initiative
(PAFI) process to obtain certification,
but that's viewed as a longer process,
perhaps 2025 or 2026. But even the first
of these, say GAMI, has a lot of work to
accomplish after certification. Working
with existing 100LL providers, as well
as possibly new market entrants, commercial
terms and conditions have to
be negotiated; blending agreements
will have to be put in place; the supply
chain will require re-alignment, and the
supply chain is ugly these days; rail versus
waterborne transportation issues
will have to be worked out for different
locations, as well as cost engineering
on imported versus self-manufactured
components. None of this is terribly difficult,
but it all takes time and talent, and
it's difficult to arrange commitment of
either prior to FAA certification. So, at
best, we might see some 100UL entering
the market in a few specific locations by
the end of this year. But broader adoption
and distribution to all the airports
where we see 100LL now will take years.
Bottom line. 100UL avgas is coming.
Pricing shouldn't be dramatically different
than today. But some different market
price factors will affect 100UL than affect
100LL today. The relative ease of blending
unleaded avgas compared to leaded
avgas may lead to more market competition,
and we will all benefit from that.
Paul Millner, co-founder of the Cardinal
Flyers type club and a 5,000-plus-hour
private pilot, spent 38 years as an engineer
for a major oil company; his last decade
there, Millner was manager of business
development, and directed unleaded avgas
development efforts.

http://ps-engineering.com

AOPA Pilot Magazine - April 2022

Table of Contents for the Digital Edition of AOPA Pilot Magazine - April 2022

Contents
AOPA Pilot Magazine - April 2022 - Intro
AOPA Pilot Magazine - April 2022 - Cover1
AOPA Pilot Magazine - April 2022 - Cover2
AOPA Pilot Magazine - April 2022 - Contents
AOPA Pilot Magazine - April 2022 - 2
AOPA Pilot Magazine - April 2022 - 3
AOPA Pilot Magazine - April 2022 - 4
AOPA Pilot Magazine - April 2022 - 5
AOPA Pilot Magazine - April 2022 - 6
AOPA Pilot Magazine - April 2022 - 7
AOPA Pilot Magazine - April 2022 - 8
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AOPA Pilot Magazine - April 2022 - 14
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AOPA Pilot Magazine - April 2022 - 18
AOPA Pilot Magazine - April 2022 - 19
AOPA Pilot Magazine - April 2022 - 20
AOPA Pilot Magazine - April 2022 - 21
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AOPA Pilot Magazine - April 2022 - 24
AOPA Pilot Magazine - April 2022 - 25
AOPA Pilot Magazine - April 2022 - 26
AOPA Pilot Magazine - April 2022 - 27
AOPA Pilot Magazine - April 2022 - 28
AOPA Pilot Magazine - April 2022 - 29
AOPA Pilot Magazine - April 2022 - 30
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AOPA Pilot Magazine - April 2022 - 49
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AOPA Pilot Magazine - April 2022 - 71
AOPA Pilot Magazine - April 2022 - 72
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AOPA Pilot Magazine - April 2022 - 77
AOPA Pilot Magazine - April 2022 - 78
AOPA Pilot Magazine - April 2022 - 79
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AOPA Pilot Magazine - April 2022 - 86
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AOPA Pilot Magazine - April 2022 - 90
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AOPA Pilot Magazine - April 2022 - Cover3
AOPA Pilot Magazine - April 2022 - Cover4
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