It was designed by Martin Hollmann after a back injury (sustained in the crash of the ADI Condor) prevented him from flying his previous design (the ADI Sportster) on account of not being able to lift the rotor assembly. Il a été dessiné par Martin Hollmann, fondateur d'Aircraft Designs Inc après que la blessure occasionnée par l’accident du ADI Condor ne lui ait plus permis d’utiliser son ADI Sportster : il ne pouvait plus soulever le rotor.
