Survey flights carried out by German Air Traffic Control (DFS) have been announced for the night of 10 to 11 February on BER’s north runway. A rather quiet, twin-engine propeller Beechcraft Super King Air 350 aircraft will be used. The survey flights will be taking off and landing in an easterly direction, avoiding flyovers above built-up areas provided that the given flight profiles allow it.
The survey flights will check the runway’s instrument landing system (ILS) for accuracy and error-free operation. The ILS assists the pilot in daily flight operations with navigation during the approach. This is basically done using signal transmitters on the ground that send information about the approach route and gliding angle to the aircraft’s cockpit during landing.
Therefore, the flights are generally exempt from night flight restrictions. Measuring the ILS at regular intervals is prescribed by the International Civil Aviation Organisation (ICAO)
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