burble+zone

burble n break-off burble point burble angle burble zone

zoning v aerodrome controlled zone aerodrome traffic control zone aerodrome traffic zone air patrol zone approach zone burble zone clear zone control zone customs surveillance zone danger zone dead zone entry into the aerodrome zone forbidden zone helicopter protected zone helicopter traffic zone mandatory broadcast zone mixing zone obstacle free zone positive control zone pricing zone safety zone time zone touchdone zone lights touchdown zone touchdown zone barrette touchdown zone elevation touchdown zone marking traffic zone zone of intersection zone of silence zone time