Frequent laagvliegen boven Ridderkerk wat herrie en zware verontreiniging veroorzaakt. Hinderperiodes: do 7-9-2023 12:59 - do 7-9-2023 12:59, do 7-9-2023 13:28 - do 7-9-2023 13:28, do 7-9-2023 15:46 - do 7-9-2023 15:47, do 7-9-2023 15:53 - do 7-9-2023 15:54, do 7-9-2023 18:51 - do 7-9-2023 18:52, do 7-9-2023 20:13 - do 7-9-2023 20:13.