Frequent laagvliegen boven Ridderkerk wat herrie en zware verontreiniging veroorzaakt. Hinderperiodes: do 17-8-2023 12:55 - do 17-8-2023 12:56, do 17-8-2023 16:11 - do 17-8-2023 16:11, do 17-8-2023 17:22 - do 17-8-2023 17:23, do 17-8-2023 19:10 - do 17-8-2023 19:11, do 17-8-2023 19:15 - do 17-8-2023 19:15.