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Swift Fuels UL94 - A near-term solution in unleaded avgas


UL94: Product Overview


Swift’s UL94 is a 94+ Motor-Octane aviation gasoline without Tetraethyllead that meets the ASTM D7547 Unleaded Avgas specification. UL94 is also rated as a super-premium ethanol-free auto-gasoline with a 99 octane (R+M)/2 rating that meets and exceeds the ASTM D4814 autofuel specification.

Specifications

UL94 Unleaded Avgas has an identical density to 100LL, meaning weight and balance calculations will not change by using UL94. UL94 weighs 5.9 pounds per gallon: identical to 100LL and is currently colored clear (“water white” as defined by ASTM International) and smells like a mild version of 100LL, which is less pungent than Autogas which typically has about 25 – 50% aromatics.

UL94 Unleaded Avgas satisfies the minimum octane requirements of over 125,000 aircraft (66% of the US piston fleet) as a "Drop-in Ready" Unleaded Avgas. It requires no modifications and no hardware changes.

UL94 has been produced by Swift Fuels at their Indiana fuel facility since 2015. 

 


If you are interested in purchasing UL94, please contact your Avfuel sales representative.  
 


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