FAA approval of the aircraft’s certification basis has cleared a key hurdle as development activities continue ahead of 2027 flight testing.

Collaboration integrates lightweight carbon-fibre interior design directly into Otto Aerospace’s clean-sheet Phantom 3500 business jet development programme.

Otto now advances the programme into detailed design and engineering release, setting the stage for hardware fabrication and assembly as the company prepares for first flight of Flight Test Vehicle 1 in 2027.