Glamorgan 's second commercial airport was Swansea Airport which also began as an RAF station , before being released to commercial usage in 1956 . The airport saw varying degrees of success until regular flights ceased in 1969 . Several other airports and aerodromes have serviced Glamorgan , but usually for private flights . The most notorious aviation disaster in Wales occurred in Glamorgan in 1950 , when a privately hired Avro Tudor crashed at Llandow Aerodrome . The Llandow air disaster was , at the time , the world 's worst aviation disaster
Llandow air disaster
Llandow air disaster
Glamorgan