Aircraft Designs Inc was a US aircraft design and manufacturing firm founded in Monterey, California by Martin Hollmann in 1976.

[1] Apart from working on its own designs, the firm provides design and engineering analysis to other aerospace ventures.

[2] Hollmann and his company carried out much subcontract work, particularity in his areas of expertise, including aeroelasticity and structural analysis.

He also designed a number of gyroplanes.

[2] The company was dissolved on 30 January 2012 and owner Martin Hollmann died 12 October 2012 of cancer.