# MiG-21U

> operational conversion training aircraft

**Wikidata**: [Q17417538](https://www.wikidata.org/wiki/Q17417538)  
**Source**: https://4ort.xyz/entity/mig-21u


## References

1. Mikoyan MiG-21
2. The International Directory of Military Aircraft 2002/03
3. The International Directory of Military Aircraft 1996/97