# Balkan Bulgarian Airlines Flight 307

> 1973 aviation accident in the Soviet Union

**Wikidata**: [Q4851066](https://www.wikidata.org/wiki/Q4851066)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Balkan_Bulgarian_Airlines_Flight_307)  
**Source**: https://4ort.xyz/entity/balkan-bulgarian-airlines-flight-307