# I-21

> prototype fighter aircraft family

**Wikidata**: [Q615346](https://www.wikidata.org/wiki/Q615346)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alekseyev_I-21)  
**Source**: https://4ort.xyz/entity/i-21-q615346


## References

1. Freebase Data Dumps. 2013
2. BabelNet
3. KBpedia