Frequent laagvliegen, verstoring van slaap en rust. Hinderperiodes: do 30-12-2021 04:41 - do 30-12-2021 08:50, do 30-12-2021 12:18 - do 30-12-2021 13:17, do 30-12-2021 15:09 - do 30-12-2021 15:55, do 30-12-2021 18:32 - do 30-12-2021 19:45.