Frequent laagvliegen boven Ridderkerk wat herrie en zware verontreiniging veroorzaakt. Hinderperiodes: vr 22-12-2023 07:28 - vr 22-12-2023 07:28, vr 22-12-2023 11:16 - vr 22-12-2023 11:17, vr 22-12-2023 13:56 - vr 22-12-2023 13:56, vr 22-12-2023 14:33 - vr 22-12-2023 14:33, vr 22-12-2023 14:35 - vr 22-12-2023 14:36, vr 22-12-2023 15:13 - vr 22-12-2023 15:14, vr 22-12-2023 15:48 - vr 22-12-2023 15:48, vr 22-12-2023 16:33 - vr 22-12-2023 16:34, vr 22-12-2023 18:17 - vr 22-12-2023 18:18, vr 22-12-2023 22:07 - vr 22-12-2023 22:07, vr 22-12-2023 23:29 - vr 22-12-2023 23:29.