Following the measurement flights at the beginning of June and July to check the new instrument landing system on runway 34 (see media release dated 29 May 2024), the remaining instrument landing systems on runways 14, 16 and 28 will now be tested between 26 and 31 August 2024. The measurement flights take place partly in the afternoon and at night, after the end of regular flight operations, until two o'clock in the morning at the latest. Following the dismantling of the old landing course transmitter, a few more measurement flights will be required for the approach to runway 34 in mid-October, but these will only be carried out in the afternoon.

The periodic checks ensure the accuracy of the navigation equipment. For this purpose, approaches are required that start laterally, above and below the published flight path. For this reason, the survey flights sometimes take place off the usual flight paths. During a survey, the respective flight path is approached several times. In the process, the signals sent by the corresponding navigation equipment are recorded and evaluated.

The measurement flights will be carried out with a twin-engine propeller aircraft of the type Beechcraft King Air 350. The aircraft is equipped with state-of-the-art navigational aids and a high-precision flight inspection device. Skyguide air traffic control is responsible for the planning and execution of the flights.