takeover of the entire department, which will be reassessed after ten years. The outsourcing resulted in massive internal restructuring, which replaced the previous organisational form. Since January 1, 2008, the base at the airport has been known as the "Wache Nord". With a strong positive operating result in 2007 and a reduced staffing level as of January 1, 2008, the catchment area of the rescue service expanded to include the northern districts of Zürich Schwamendingen, Seebach and Oerlikon. Accidents and incidents On November 24, 1951, a Douglas DC-4 of the Israeli El Al (aircraft registration 4X-ADN) on a cargo flight from Rome with textiles on board crashed into a forest three kilometers northeast of Zurich Airport shortly before landing. Six of the seven crew members were killed. On 24 November 1956, an Ilyushin Il-12B of the Czechoslovak airline ČSA (OK-DBP) crashed into an agricultural area 13 kilometres after take-off from Zürich-Kloten airport, only 500 metres from the southern outskirts of Wasterkingen, probably due to engine problems. All 23 passengers and crew members died there. On 4 September 1963, Swissair Flight 306 experienced an in-flight fire shortly after take-off and crashed, killing all 80 people on board. On 18 February 1969, four armed members of the Popular Front for the Liberation of Palestine attacked El Al flight 432 whilst it prepared for takeoff. The aircraft's security guard repelled the attack, resulting in the death of one of the terrorists, whilst the Boeing 720's co-pilot subsequently died of his injuries. On 21 February 1970, a barometrically triggered bomb exploded on Swissair Flight 330 some nine minutes after takeoff from Zurich en route to Tel Aviv and Hong Kong. All 47 occupants were killed. The bombing was attributed to the PFLP-GC. On 18 January 1971, an inbound Balkan Bulgarian Airlines Il-18D approached Zurich Airport in fog below the glideslope. It crashed and burst into flames, north of the airport, when both left wingtip and landing gear contacted the ground. Seven crew members and 38 passengers were killed. On 24 November 1990, an Alitalia Douglas DC-9 operating Flight 404 crashed on approach to Zurich, killing all 46 passengers and crew on board. On 10 January 2000, a Crossair Saab 340 operating Flight 498 crashed shortly after takeoff, killing all 10 occupants. The cause of the crash was determined to have been the result of spatial disorientation and pilot errors. On 24 November 2001, a