Avfuel offers its customers an unleaded avgas product in Swift Fuels' UL94. This fuel is a 94+ motor-octane aviation gasoline (without tetraethyllead) that meets ASTM D7547 specifications for unleaded avgas.
UL94 is also rated as a super-premium, ethanol-free auto gasoline with a 99 octane (R+M)/2 rating, meeting and exceeding ASTM D4814 auto fuel specifications.
Contact your Avfuel sales representative to purchase UL94.
UL94 Fast Facts
- Density is equal to 100 low lead (100LL) avgas; weight and balance calculations remain the same.
- Dyed purple as of March 1, 2024, (previously clear in color).
- Smells like a mild version of 100LL, which is less pungent than auto gas.
- Satisfies min. octane requirements of 125K+ aircraft (66% of the U.S. piston fleet).
- For these aircraft, UL94 is a "drop-in ready" fuel, requiring no modifications or hardware changes.
- Requires a supplemental type certificate (STC) for aircraft.
- Produced by Swift Fuels since 2015.
Committed to Lead Reduction
With a focus on innovation, Avfuel Technology Initiatives Corporation (ATIC) is leading the mission to further industry advancements, including bringing unleaded avgas to market. Toward this effort, we are proud to offer UL94, and collaborate with all industry organizations and producers working to identify a 100-octane unleaded avgas solution.