atj-spk - a certification story november 17th, 2016 · • over 100,000 gallons of atj-spk 50/50...
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© 2015 Gevo, Inc. | 1
ATJ-SPK - A Certification Story
November 17th, 2016
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Approved for Airline Operations Re-Certify All Aircraft
Re-Certify All Engines
Drop-In Fuel
Non-Drop-In Fuel
ASTM Qualification (D4054)
Airworthiness Certification New Oper Limitation
Unchanged Operating Limitation New Spec
D7566 New Annex
Integrated ASTM/FAA Process
2
Approved for Commercial Operations
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How ASTM D7566 Enables Drop-In Fuel
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Production Operations
Tighter Control of Fuel Properties
Separate Tracking NOT Required
Re-Certification NOT Required
Semi-Synthetic Fuel
D7566 D1655
Conventional Jet Fuel Conventional Jet Fuel
D1655 Re-Identified
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ASTM Specification Process (ASTM D4054)
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OEMReview&Approval
ASTMBallo4ngProcess
Specifica4onProper4es
Engine/APUTes4ng
Fit-For-PurposeProper4es
Component/Rig/APUTes4ng
ASTM Research
Report ASTMSpecification
Accept
ASTM
Review
& Ballot
Re-EvalAs Required
Reject
ASTMSpecification
Accept
ASTM
Review
& Ballot
Re-EvalAs Required
Reject
ASTMSpecifica4on
TIER 1 TIER 2 TIER 3 TIER 4
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ASTM D4054
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Standard Practice for Qualification and Approval of New Aviation Turbine Fuels and Fuel Additives Schematic of the overall qualification process for new fuels
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Quote of the process
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ASTM History
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• ASTM Task Force in ASTM D02-J6 Initiated in June 2010 • Group of producers assembled (Fall 2010) • First task force meeting with engine OEMs at (Dec 2010 ASTM) • Task Force meetings held at both 2011 ASTM and CAAFI meetings • Task Force was broken into two main areas:
– ATJ-SPK (paraffins) - Current Research Report – ATK-SKA (w/aromatics) – Drafting Research Report
• Over 100,000 gallons of ATJ-SPK 50/50 blend has been produced and flown. • Gevo operates a demo scale facility in Silsbee, TX which has been operating 24/7 for
the past 3 years producing ATJ-SPK. • Extensive testing has also been completed on ground diesel engines through work
funded by US Army at SwRI.
ATJ-SPK Testing Completed • AFRL Fit-for-Purpose testing – 2009-2013 • Rolls Royce AE3007 testing 2012 • GE TF34 engine testing 2012 • US AFRL A-10 flight 2012 • Goodrich fuel gauging analysis 2012 • Pratt & Wittney Canada PW 615F testing • Honeywell G230 and 131-9 testing 2011.
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Testing
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Flight
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ASTM D7566 Annex 5
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© 2013 Gevo, Inc. | 12
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