Ampaire Inc has announced the test flight of the Ampaire 337, which the company claims is the highest-capacity hybrid-electric aircraft ever flown. For more information see the IDTechEx report on Manned Electric Aircraft 2020-2030.
The aircraft, based on the six-seat Cessna 337 Skymaster, was retrofitted with Ampaire's proprietary electric propulsion system and is powered by a lightweight battery system. The battery-powered electric motor replaces a combustion engine of the aircraft's original two-engine configuration, and the resulting system is a 'parallel hybrid', meaning the internal combustion engine and electric motor work in concert to optimize power output as the plane flies. In hybrid configuration, the aircraft sees significant greenhouse gas emissions savings and operating cost reductions. The experimental plane was flown by a test pilot and flight engineer.
"The first flight of Ampaire's electric passenger aircraft is a huge step forward for aviation," said Deborah Flint, CEO of Los Angeles World Airports.
"Imagine that in just a few years you will be able to buy a ticket for a flight that is clean, quiet and inexpensive," said Kevin Noertker, CEO of Ampaire. "Ampaire is proud to lead the aviation industry in transportation electrification, and we recognize the importance of electric aviation for climate change and community connectivity."
"Given the urgency of the climate crisis, today's historic flight not only signifies a huge step forward for aviation, it also shines a light on Los Angeles's leadership in transportation electrification," said Matt Petersen, CEO of the Los Angeles Cleantech Incubator (LACI). "That's why I'm so excited for the Ampaire team for their first hybrid-electric flight—as a LACI portfolio company, Ampaire and their Ampaire 337 flight test program further proves that Los Angeles is a cleantech hub that attracts investment and game-changing innovation for climate solutions."
Aircraft are a significant contributor to both local and global emissions. Electric and hybrid-electric aircraft will reduce GHG emissions and air pollution even as more and more goods and people fly. In addition, electric aircraft are quieter, more efficient and cost much less to fly and maintain connecting communities, making skies quieter.
Ampaire has mapped a clear path from this first test flight of a prototype to commercial operations in 2021. The test flight follows the Federal Aviation Administration (FAA) May 2019 airworthiness approval to begin a flight test program. The test flights will see the aircraft fly multiple times per week from June through August 2019 and will gather data about the electric propulsion performance characteristics.
In late 2019, Ampaire will begin a pilot project on a commercial route on the Hawaiian island of Maui. The aircraft will be a newly retrofitted Cessna 337 built with learnings from the test flight program that inform the configuration of the battery and motor. This aircraft will be a pre-production prototype and will move Ampaire closer to commercial readiness.
Ampaire's focus is on supplying aircraft to regional airlines— who typically fly short-haul—often serving remote communities and island regions. In addition to the upcoming pilot project in Maui, Ampaire is also in collaboration with Vieques Air Link, a regional airline in Puerto Rico, to establish a pilot project in the region. Alongside Mokulele Airlines and Vieques Air Link, Ampaire has signed Letters of Interest with 14 other airlines across the world.
Source and top image: Ampaire Inc
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