Even for no-fly zones, we don't say 'in' the place. We say in the zone. We're over the place, but in the zone. Is an airplane in your park if you put a roof

Even for no-fly zones, we don't say 'in' the place. We say in the zone. We're over the place, but in the zone. Is an airplane in your park if you put a roof over it? Is an airplane in your house?