# Sukhoi-Gulfstream S-21

> proposed supersonic business jet

**Wikidata**: [Q170144](https://www.wikidata.org/wiki/Q170144)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sukhoi-Gulfstream_S-21)  
**Source**: https://4ort.xyz/entity/sukhoi-gulfstream-s-21


## References

1. Freebase Data Dumps. 2013