Frequent laagvliegen, verstoring van slaap en rust. Hinderperiodes: do 9-12-2021 04:38 - do 9-12-2021 09:24, do 9-12-2021 11:03 - do 9-12-2021 16:07, do 9-12-2021 17:38 - do 9-12-2021 20:03, do 9-12-2021 21:59 - do 9-12-2021 23:55.