# C.9

> experimental autogyro model by Juan de la Cierva

**Wikidata**: [Q5119711](https://www.wikidata.org/wiki/Q5119711)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cierva_C.9)  
**Source**: https://4ort.xyz/entity/c-9-q5119711