# airspace class

> class of airspace defined by international agreement, with rules varying by country

**Wikidata**: [Q2633050](https://www.wikidata.org/wiki/Q2633050)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Airspace_class)  
**Source**: https://4ort.xyz/entity/airspace-class


## References

1. Freebase Data Dumps. 2013