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  • Airprox, DG Flugzeugbau DG-1000s, PH-1432 and HOAC DV-20, PH-MFT, Hilversum Airfield
Estimated position of airprox between DG-1000s and DV-20.  (Source: Flight paths based on the flight logger software of both aircraft)
Estimated position of airprox between DG-1000s and DV-20. (Source: Flight paths based on the flight logger software of both aircraft)

Airprox, DG Flugzeugbau DG-1000s, PH-1432 and HOAC DV-20, PH-MFT, Hilversum Airfield

Status : Closed

PH-1432, a DG-1000s, was winch-launched from the winch path adjacent to Runway 25 at Hilversum Airfield, to an altitude of approximately 200 metres AAL, for a local instruction flight. On board were an instructor and a trainee pilot. Shortly afterwards, PH-MFT, a HOAC DV-20, took off from Runway 25 for a local instruction flight. On board were an instructor and a trainee pilot. After the trainee pilot in the DG-1000s had uncoupled the winch cable, he started his orientation in relation to the airfield and other gliders. In this process, he first made a turn to the right in a northerly direction and then to the left, in a south-easterly direction. This meant he was flying towards the circuit area of Runway 07/25. In the meantime, the DV-20 had taken off and was flying along the line of Runway 25. The DG-1000s approached the DV-20 almost head on, with a short separation, at an altitude of approximately 500 feet AMSL, 800 metres southwest of Runway 25. To avoid a collision, the instructor of the DG-1000s took over control from the trainee pilot, and completed an evasive manoeuvre. The instructor and trainee pilot of the DV-20 were unaware of the position of the DG-1000s and had failed to observe the hazardous situation. After the airprox, both aircraft continued their flight.

The full analysis of this serious incident can be found in the quarterly aviation report over the 4th quarter of 2021.

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