[4][5] The aircraft struck the terrain during the approach procedure near the Col de Tourniol, in the commune of Léoncel (Drôme).
[3] The investigation report by the Bureau of Enquiry and Analysis for Civil Aviation Safety (BEA) concluded that the accident was due to a navigation error by the aircraft's crew.
[1] The investigations exonerated the Chamber of Commerce and Industry of the Drôme, then manager of Chabeuil airport, the navigation beacons, the air traffic control services, as well as the condition of the Uni-Air International Fokker 27.
f-dm890410, the fatal accident was directly caused by a navigation error, notably due to: Additionally, the crew's documentation used for navigation and the organization of the aircraft's dashboard could be sources of error with the airspace organization in the Valence region not allowing optimal use of existing radars.
[6][7] A stele was erected at the crash site at the Col de Tourniol on the border with the commune of Barbières, by the D101 road.