Sabena Flight 503 on the crash site in 2010. Sabena Flight 503 The crash of Sabena Flight 503 was an accident involving a Douglas DC-6 of the Belgian airline company Sabena which crashed into Monte Terminillo near Rieti, Italy, 100 km north east of Rome on 13 February 1955, killing all 29 people on board. The Douglas DC-6 involved was built in 1947 with serial number 43063/60 and registration OO-SDB and was used by the Belgian airline company Sabena until its destruction in 1955. Sabena Flight 503 was a Douglas DC-6 which departed from Brussels, Belgium at 17:17 GMT en route to Leopoldstad,
Alcazar (airline) States started negotiating open skies agreements with the European Union (EU), which would allow any European airline to fly from any airport in their home country to any airport in the US, and similarly any US airline to fly from any US airport to any European airport. In the 1980s, SAS, Swissair, Austrian Airlines and Finnair had attempted to establish European Quality Alliance (EQA). In addition to codesharing and joint marketing, the alliance was largely based around technical issues and using the EQA brand as a "seal of quality". These had largely stranded because Finnair felt that SAS goal was