two stationary stations (Oftering and Traun) as well as the mobile measuring trailer were purchased from the Blue Danube Airport to complement the existing aircraft nose measurements. The stationary stations are 2,500 m (fire brigade Oftering) or 3,000 m (cemetery Linz) away from the nearest slope. The environmental protection department of Upper Austria analyzes the results and documents them in regular reports. The current maximum value is 87.2 dB (civil) and 93.7 dB (military) in Oftering, 89.2 dB (civil) and 94.0 dB (military) in Traun and 81.8 dB (civil) and 87.0 dB (military) at the mobile station (status 2014). Safety The airport has its own fire department whose area of responsibility is stated in national and international guidelines. The fire department has six cars with a total of 37,000 liters of water and 4500 kg foam or powder. In December 2017, the blue danube airport was awarded the EU certificate by the EASA (European Aviation Safety Agency). The certificate confirms the quality and compliance with high safety standards in airport operations and for passengers. The Vienna International Airport, as well as Graz, Innsbruck, Klagenfurt, Linz, Salzburg and the Bad Vöslau Airport are also holders of the EASA certificate. Trivia The Runway Night Run is a 5 km long running event which takes place on the slopes of the Blue Danube Airport in Linz. Individuals as well as teams of three can participate. The starters of the teams are also included in the individual competition. The start and finish of the event are located at the Northwest corner of the shelf. The route runs along the apron of the taxiway "Foxtrot" to the runway. The turning point is in the east at the end of the runway "08". Then the course heads south to the runway "26" which leads west to the taxiway "Golf" and finally to the finish line. Apart from the location, the beginning at exactly midnight is a special feature of the event. The DHL airport NIGHT RUN 2019 took place on the 30st of August, 2019. The airport director, Mag. Norbert Draskovits, was on the starting line to complete the 5 km run, alongside 2.500 participants. The DHL LINZ AIRPORT NIGHT RUN 2020 was held on October 9, with a limited number of participants due to the current Covid crisis,. The 239 runners were additionally split into separate starting blocks. The Airport Night Run 2021 is scheduled