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Survey flights

on the night of 28 to 29 October

Published: 24 October 2025, 12:00

Survey flights by German Air Traffic Control (DFS) have been announced for the night of 28 to 29 October 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 frequently in succession and at low altitude. Overflights of towns and villages will be avoided 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 assists pilots in their daily flight operations by providing navigation assistance during 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 precision 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 ILS is required to be surveyed at regular intervals by the International Civil Aviation Organisation (ICAO).

 

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