# Lockheed XH-51

> 1962 experimental helicopter series by Lockheed

**Wikidata**: [Q12061352](https://www.wikidata.org/wiki/Q12061352)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lockheed_XH-51)  
**Source**: https://4ort.xyz/entity/lockheed-xh-51


## References

1. U.S. Army Aircraft Since 1947