{"id":"931300b6-182e-4b7f-acb6-9681cd006009","name":"Overair","slug":"overair","description":"US-based eVTOL company headquartered in Santa Ana, California, spun out from Karem Aircraft (founded by Abraham Karem, inventor of the Predator drone). Overair is developing the Butterfly, an all-electric tilt-rotor eVTOL using patented Optimum Speed Tiltrotor (OSTR) technology for efficient hover and cruise. Backed by [Hanwha](/companies/hanwha-robotics) Systems of South Korea with $145M+ total investment. The Butterfly features four large tilting propellers designed for low noise and high efficiency.","status":"active","founded":0,"hq":"Santa Ana, California, USA","hqLat":33.7494951,"hqLng":-117.873221,"hqGeocodedAt":"2026-08-23T21:04:38.464Z","hqAddress":null,"hqPrecision":null,"website":"https://www.overair.com","fundingTotal":"75000000","type":"hardware","roles":["robot_maker"],"reviewStatus":"reviewed","heatIndex":75,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://en.wikipedia.org/wiki/Overair","title":"Overair - Wikipedia","sourceName":"Wikipedia"},{"url":"https://www.overair.com/overair-hanwha-systems-and-jeju-province-unveil-collaborative-plan-for-advanced-air-mobility-ecosystem/","title":"Overair, Hanwha Systems, and Jeju Province Unveil Collaborative Plan for Advanced Air Mobility Ecosystem","sourceName":"Overair"},{"url":"https://www.overair.com/contact/","title":"Contact","sourceName":"Overair"}],"keyFacts":[{"label":"Products","value":"Butterfly eVTOL"},{"label":"Investors","value":"Hanwha Systems ($25M initial + $145M total)"},{"label":"Origin","value":"Spin-out from Karem Aircraft (Abraham Karem, Predator drone inventor)"},{"label":"Technology","value":"Optimum Speed Tiltrotor (OSTR) — patented by Karem Aircraft"},{"label":"Butterfly eVTOL","value":"Overair identifies Butterfly as an all-electric vertical takeoff and landing aircraft for advanced air mobility, with proprietary technologies intended to improve payload, sound emissions, and weather capability ([Overair AAM ecosystem](https://www.overair.com/overair-hanwha-systems-and-jeju-province-unveil-collaborative-plan-for-advanced-air-mobility-ecosystem/))","sourceUrl":"https://www.overair.com/overair-hanwha-systems-and-jeju-province-unveil-collaborative-plan-for-advanced-air-mobility-ecosystem/"},{"label":"Manufacturing and flight-test locations","value":"Overair lists its headquarters and initial manufacturing site in Santa Ana, California, and its flight-test facility at Southern California Logistics Airport in Victorville ([Overair contact](https://www.overair.com/contact/))","sourceUrl":"https://www.overair.com/contact/"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-08-17T18:07:48.137Z","updatedAt":"2026-09-29T20:14:29.268Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/overair","url":"https://registry.deploy.report/companies/overair","name":"Overair","description":"US-based eVTOL company headquartered in Santa Ana, California, spun out from Karem Aircraft (founded by Abraham Karem, inventor of the Predator drone). Overair is developing the Butterfly, an all-electric tilt-rotor eVTOL using patented Optimum Speed Tiltrotor (OSTR) technology for efficient hover and cruise. Backed by [Hanwha](/companies/hanwha-robotics) Systems of South Korea with $145M+ total investment. The Butterfly features four large tilting propellers designed for low noise and high efficiency.","identifier":"931300b6-182e-4b7f-acb6-9681cd006009","address":"Santa Ana, California, USA","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":3,"primary_source_types":["knowledge-base","primary-company-ir"]}}}