Complex sentence: At 06:22 the aircraft crashed into the ground on the outskirts of Dürrenäsch, at an elevation of 559 m, approximately 35 km from Zürich/Kloten Airport.
Split into simpler sentences: At 06:22 the aircraft crashed into the ground on the outskirts of Dürrenäsch. The crash site was 559 m above sea level, amost 35 km from Zürich/Kloten Airport.