Industry News

October 2010 Issue

Avgas Update: The Approval Grind

GAMI’s G100UL and Swift’s UL102 are before ASTM International for review. Both face a long haul that may not yield progress until next year.

There to now with avgas? Following a flurry of activity at EAA AirVenture—briefings and meetings, mainly—has the flag inched forward toward a replacement for 100LL? In short, it’s hard to tell. If there’s substantive progress, it’s occurring behind closed doors, although the venue has changed. By early September, the FAA revealed a generally positive test result on a 150-hour test cell run with Swift’s UL102 fuel, a variant tof several blends it has developed. Meanwhile, General Aviation Modifications Inc. still has before the FAA a request to approve its G100UL via STC.

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