# Sikorsky S-40

> 1931 American amphibious flying boat

**Wikidata**: [Q1760162](https://www.wikidata.org/wiki/Q1760162)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sikorsky_S-40)  
**Source**: https://4ort.xyz/entity/sikorsky-s-40


## References

1. Freebase Data Dumps. 2013