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,
National Airlines (1983) National Airlines (1983) The second American airline to be named National Airlines was owned by United Air Carriers. It operated from 1977 to 1986. The airline was created when officials of supplemental airline Overseas National Airways formed a FAR Part 129 leasing company known as United Air Carriers on July 21, 1977. When the Overseas National Airways folded in 1978, the company was renamed to Overseas National Airways and was certified in 1980 under FAR 121 as a cargo and passenger charter company. In 1982 the company gained approval for scheduled service, leading to the company purchasing the name National