Kestrels tend to not be lit up after sunset. Also note this was not a household drone, police believe it was to "industrial specification" based on visual descr

Kestrels tend to not be lit up after sunset. Also note this was not a household drone, police believe it was to "industrial specification" based on visual description from ATC staff who saw it. (That's also likely as a lot of drones e.g. DJI have geofencing around airports)