# Hydra Technologies Ehécatl

> S4, a Mexican unmanned aerial vehicle

**Wikidata**: [Q383892](https://www.wikidata.org/wiki/Q383892)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hydra_Technologies_Ehécatl)  
**Source**: https://4ort.xyz/entity/hydra-technologies-eh-catl


## References

1. Freebase Data Dumps. 2013