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Overair Butterfly

Overair's Butterfly prototype with Toray T1100/3960 carbon fiber/epoxy prepreg. The prepreg provides high stiffness and strength for its airframe and propulsion units.

Overair commits to Toray prepreg system for Butterfly

Toray's prepreg system is formulated for high-performance aerospace applications where the optimal ratio of strength to modulus properties is critical. It allows for autoclave and out-of-autoclave curing.

Floats like a Butterfly.

Hanwha commits investment and motors for Butterfly eVTOL

Investor Hanwha will also provide electric motors and battery packs for Overair's prototypes, as the two companies expand their R&D co-operation. First flight is planned for the second half of 2023.

20/01/2022Press Release:
Butterfly’s propulsion system test program successfully achieves full-scale test goals. (Photo: Overair)
Overair Inc. commences propulsion testing for Butterfly eVTOL vehicle
16/12/2021Press Release:
Bristow and Overair have signed an MOU to collaborate on maximising Butterfly’s safety and operational efficiency and furthering their respective capabilities. (Photo: Overair)
Bristow and Overair form strategic partnership to introduce Butterfly, a zero emission, low-noise vertical transport vehicle
Floats like a butterfly...

Butterfly design promises high efficiency and quietness

Overair's engineers have emerged from the shadows and laid out plans for an innovative eVTOL aircraft, named Butterfly in recognition of its two sets of wings. Its relatively slow props should produce little noise.

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