# biplane

> aircraft wing configuration with two vertically stacked main wing surfaces

**Wikidata**: [Q223818](https://www.wikidata.org/wiki/Q223818)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Biplane)  
**Source**: https://4ort.xyz/entity/biplane


## References

1. Integrated Authority File
2. Freebase Data Dumps. 2013
3. National Library of Israel
4. KBpedia
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)