Near miss in control zone, Reims F172M, Sikorsky S-76B, De Kooy CTR, 31 augustus 2011
Het aircraft flew in the control zone of Den Helder Airport without permission of air traffic control and had a near miss with a helicopter that was descending for a short line up for an approach for runway 21. No evasive manoeuvres were made by the pilots and they continued their flights without peculiarities