First high octane unleaded avgas approved by FAA
August 8, 2021
OSHKOSH, Wis. – General Aviation Modifications, Inc., (GAMI) – a leading general aviation engineering company based in Ada, Oklahoma – announces the FAA has approved Supplemental Type Certificates (STCs) authorizing use of its G100ULTM high-octane unleaded avgas.
GAMI elected to follow the well-established FAA Approved Model List (AML) STC process whereby the FAA issues the initial STCs with an AML of specific aircraft and engines, and then progressively expands the scope of that AML based on additional testing and data.
These new STCs represent the initial major milestone for bringin...