 Complete the following phrase:  Flugplatz Schleißheim is located on the edge of Munichs Airport control zone. Due to the changed airspace structure in connection with the major airport in Erdinger Moos, which was opened in 1992, the classification of the site as a landscape conservation area or later as an FFH area and a change in traffic development, no further major air show days with an aerobatic programme, in particular aerobatic squadrons, were possible. The catastrophic 