# Hirth HM 506

> 1930s German aircraft engine

**Wikidata**: [Q11109737](https://www.wikidata.org/wiki/Q11109737)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hirth_HM_506)  
**Source**: https://4ort.xyz/entity/hirth-hm-506


## References

1. Freebase Data Dumps. 2013
2. BabelNet