So it just got there or they didn't bother using it?
They have used three crews today to search for the drone and its pilot.
Posted at 18:5818:58
Gatwick disruption: Latest from National Police Air Service
Captain Paul Watts, Chief Pilot and Director of Flight Operations at the National Police Air Service, said: “The National Police Air Service has been involved in helping search the area near Gatwick Airport for the drone pilot and guide police on the ground.
“Sussex Police requested our support shortly after 21:00 GMT on Wednesday, and again this morning at 09:00.
"So far, we have used three helicopter crews, from our NPAS Redhill, NPAS London and NPAS Benson bases.”
https://www.bbc.co.uk/news/live/uk-england-sussex-46564814