# M-2

> mailplane by Douglas

**Wikidata**: [Q67547809](https://www.wikidata.org/wiki/Q67547809)  
**Source**: https://4ort.xyz/entity/m-2-q67547809


## References

1. The Complete Encyclopedia of Flight 1848-1939, Chartwell Edition
2. Jane's American Fighting Aircraft of the 20th Century