# O-2

> 1924 observation aircraft family by Douglas

**Wikidata**: [Q3714640](https://www.wikidata.org/wiki/Q3714640)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Douglas_O-2)  
**Source**: https://4ort.xyz/entity/o-2


## References

1. Freebase Data Dumps. 2013
2. Jane's American Fighting Aircraft of the 20th Century