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Survey flights

during the nights of October 10 to 12, 2025

Published: 06 October 2025, 11:45

Survey flights by German Air Traffic Control (DFS) have been announced for the nights of October 10 to 12 on the north runway at BER. A relatively quiet, twin-engine Beechcraft Super King Air 350 propeller aircraft will be used for this purpose. The survey flights will take off and land in an easterly direction, with certain regions being flown over repeatedly at low altitude. Wherever possible, flights will avoid flying over populated areas, as far as the specified flight profiles allow.

During the survey flights, the instrument landing system (ILS) of the runway will be checked for accuracy and proper functioning. The ILS supports pilots in their daily flight operations by assisting with navigation during the approach. This is essentially done by signal transmitters on the ground, which send information about the approach course and glide angle to the aircraft's cockpit during landing.

Start- und Landebahn des BER

The specially equipped survey aircraft checks the accuracy of the signals required for safe landings. As usual, the survey flights take place at night, as air traffic does not allow this during the day and the ILS cannot be used operationally during the flight survey.

The flights are therefore generally exempt from night flight restrictions. The measurement of the ILS is prescribed at regular intervals by the International Civil Aviation Organization (ICAO). 

 

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