Sol Líneas Aéreas Flight 5428 was a passenger flight which crashed in Prahuaniyeu, Río Negro Province, Argentina, on 18 May 2011. All 22 aboard died. The aircraft involved, a Saab 340A, was operating Sol Líneas Aéreas' scheduled domestic service from Ingeniero Aeronáutico Ambrosio L.V. Taravella International Airport, Córdoba, to General Enrique Mosconi International Airport, Comodoro Rivadavia, with stopovers at Governor Francisco Gabrielli International Airport, Mendoza, and Presidente Perón International Airport, Neuquén. The crash occurred on the final leg, with the aircraft coming down 25 kilometres (16 mi) south-west of the town of Los Menucos, Río Negro.[2][3][4][5][6][5][7][8] A preliminary report suggests it was caused by severe icing of the airframe.[citation needed]