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Ampaire raises $19M in Series B funding led by DiamondStream Partners, supported by IAG and Alaska Airlines, to advance its hybrid-electric aircraft technology.

PRIVATEAug 19, 2026•about 5 hours ago

Amount Raised

$19 Million

Round Type

Series B

CaliforniaAutomotiveAerospace

Investors

Los Angeles Cleantech Incubator Impact FundAutodesk Foundation Impact FundTechstars VenturesForward VenturesAlaska AirlinesInternational Air GroupDiamond Stream Partners

Description

Californian startup Ampaire has secured $19 million in Series B funding to enhance its hybrid-electric aircraft development. The funds will accelerate the commercial readiness of its AMP-H570 propulsion system, retrofitted into Cessna Grand Caravan aircraft. Ampaire is also participating in the eVTOL Integration Pilot Program to further advance air mobility technologies. Additionally, the startup is exploring hybrid-electric technology applications for ground power units used by aircraft.

Company Information

Company

Ampaire

Location

California, United States

About

Ampaire is a Californian startup focused on developing hybrid-electric aircraft. The company aims to improve fuel efficiency and reduce emissions by retrofitting existing aircraft with hybrid technology. Their hybrid aircraft, referred to as the 'Eco Caravan', is based on the Cessna Grand Caravan. Ampaire is also involved in developing applications of hybrid-electric technology for aircraft ground power units.

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Funding Insights

Based on industry data
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

Ampaire raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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