How challenging is the preventative maintenance and what level of skills will the owner be required to have for preventative maintenance. Likewise projected frequency of maintenance?

As a fully electric aircraft, the H1-X is anticipated to require significantly less maintenance than combustion-engine vehicles. However, all major preventative maintenance will be required to be performed by professionals at certified centers rather than the owner. Doroni is planned to offer Standard Factory Warranties and optional Service Agreements for routine inspections, which may include service at the customer premises.