Companies / Overair
Defunct
Overair
Butterfly tiltrotor eVTOL; ceased operations (2025); IP/staff links to Archer reported
Santa Ana, California, USA · US
Image: Overair, Inc. via PR Newswire — Butterfly eVTOL press image
Overview
Overair (with Karem Aircraft heritage) developed the Butterfly tiltrotor eVTOL for passenger AAM. Industry reporting in 2025 states the company ceased operations after investor Hanwha Systems stopped further funding; subsequent reports describe Archer acquiring related patent portfolio and hiring key staff. Listed as defunct for catalog status.