Frequent laagvliegen boven Ridderkerk wat herrie en zware verontreiniging veroorzaakt. Hinderperiodes: do 28-12-2023 10:34 - do 28-12-2023 10:36, do 28-12-2023 12:16 - do 28-12-2023 12:17, do 28-12-2023 12:55 - do 28-12-2023 12:56, do 28-12-2023 12:59 - do 28-12-2023 12:59, do 28-12-2023 13:25 - do 28-12-2023 13:25, do 28-12-2023 13:49 - do 28-12-2023 13:49, do 28-12-2023 14:56 - do 28-12-2023 14:56, do 28-12-2023 19:11 - do 28-12-2023 19:11, do 28-12-2023 22:20 - do 28-12-2023 22:20.