The Llandow air disaster was , at the time , the world 's worst aviation disaster .
The most notorious aviation disaster in Wales occurred in Glamorgan in 1950 , when a privately hired Avro Tudor crashed at Llandow Aerodrome .
The Llandow Aerodrome air disaster was , at the time , the world 's worst aviation disaster .
The most notorious aviation disaster in Wales occurred in Glamorgan in 1950 , when a privately hired Avro Tudor crashed at Llandow Aerodrome .