Questione giuridica chiave
Whether the hard landing on 14 March 2005 qualifies as an accident under social insurance law.
Decisione estratta
The event was not an accident because it lacked both suddenness in the legal sense and an unusual external factor.
Motivazione estratta
Hard landings can be part of the ordinary and customary course of commercial aviation and, in the concrete circumstances, the landing remained within a regulated and usual framework.