Crossair Flight 3597 was a scheduled flight from Berlin Tegel Airport, Germany, to Zürich Airport, Switzerland. On 24 November 2001, the Crossair Avro RJ100 operating the route, registered as HB-IXM, crashed into a wooded range of hills near Bassersdorf and caught fire. Out of the 33 occupants, nine survived.

Zurich Airport is the largest international airport of Switzerland and the principal hub of Swiss International Air Lines. It serves Zürich, Switzerland's largest city, and, with its surface transport links, much of the rest of the country. The airport is located 13 kilometres (8 mi) north of central Zürich, in the municipalities of Kloten, Rümlang, Oberglatt, Winkel, and Opfikon, all of which are within the canton of Zürich.