Judgment of the Court (Fourth Chamber) of 19 December 2019.#GN v ZU.#Request for a preliminary ruling from the Oberster Gerichtshof.#Reference for a preliminary ruling — Air transport — Montreal Convention — Article 17(1) — Air carrier liability in the event of accidents — Concept of ‘accident’ — Aircraft in flight — Spillage of a cup of coffee placed on the tray table of a seat — Bodily injuries caused to the passenger.#Case C-532/18.