# subsonic aircraft

> aircraft with a maximum speed less than the speed of sound

**Wikidata**: [Q3306357](https://www.wikidata.org/wiki/Q3306357)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Subsonic_aircraft)  
**Source**: https://4ort.xyz/entity/subsonic-aircraft


## References

1. Freebase Data Dumps. 2013