LONG BEACH, Calif., - Ampaire Inc. in Long Beach, Calif. announced that the Federal Aviation Administration (FAA) has approved the G-1 Issue Paper for its AMP-H570 hybrid electric propulsion system, a key step toward FAA Supplemental Type Certification (STC) and commercial deployment.
The G-1 Issue Paper defines the airworthiness and environmental standards the AMP-H570 must meet to achieve STC. With this approval, Ampaire will now work with the FAA to finalize the Means of Compliance and complete a testing campaign to validate the system.
"The FAA's issuance of the G-1 Certification Basis for the AMP-H570 is a major step forward in commercializing hybrid electric propulsion," said Kevin Noertker, cofounder and CEO of Ampaire. "This milestone demonstrates that we are executing on our regulatory roadmap, removing risk for investors and customers, and accelerating real-world deployment."
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The AMP-H570 system uses a hybrid architecture that allows in-flight battery recharging, eliminating the need for ground-based charging infrastructure. Its retrofit-ready design enables faster deployment, reduced costs, and lower fuel consumption. Ampaire says the system can also help operators comply with tightening global emissions regulations without sacrificing performance or profitability.
"Ampaire has worked for many years in close collaboration with our counterparts at the FAA," said Ed Lovelace, chief technology officer. "This productive dynamic has been instrumental in ensuring the highest safety standards while supporting the commercialization of our impactful, innovative solutions."
Demonstration platform
The AMP-H570 is already flying on Ampaire’s Eco Caravan, which has demonstrated more than twice the fuel efficiency of comparable conventional aircraft. Ground tests have shown the system can operate on 100 percent sustainable aviation fuel (SAF).
The U.S. Air Force is funding a research effort to integrate the AMP-H570 into the Beechcraft King Air, and aircraft manufacturers are exploring both Integrated Parallel Hybrid and Series Hybrid configurations for future platforms.
Ampaire is now working toward the G-2 Issue Paper, which will define the Means of Compliance for FAA certification. The company aims to certify both the AMP-H570 and the Eco Caravan by the end of 2026.
