GAMI Now Selling STCs for G100UL

GAMI is now selling STCs for G100UL, with the modifications company opening its website to the purchase process with incentives for those who apply by March 31.

Amelia Walsh

Friday, February 10, 2023 at 02:34 PM ET

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GAMI has launched the application process for purchasing its STC for G100UL avgas.

Key Takeaways:

General Aviation Modifications, Inc. (GAMI) is now selling Supplemental Type Certificates (STCs) for its G100UL high octane unleaded avgas, making it the first and only approved solution for all general aviation piston aircraft.
The STC cost varies by aircraft but is estimated to be around the price of a tank fill-up (e.g., $600 for some aircraft), and early adopters can receive a $100 rebate.
G100UL fuel is expected to be slightly more expensive than 100LL (60-85 cents/gallon more) but anticipates offsetting costs with lower maintenance due to a cleaner burn.
Initial fuel rollout begins in California later this year, expanding to the West Coast by 2024 and nationally by 2026, supporting the industry's goal to eliminate leaded avgas by 2030 amid increasing local bans on 100LL.

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General Aviation Modifications, Inc. (GAMI) is now selling supplemental type certificates (STCs) for its G100UL high octane unleaded avgas—the first and only approved solution for all general aviation piston aircraft.

In order to purchase the STC, pilots will need aircraft and engine information including N-number, aircraft model and serial number, and engine manufacturer/serial number. STC documents will then be delivered via PDF immediately and placards will be mailed within about 10 days.