Timeline: How dangerous drone pilot managed to shut down Gatwick
Police are hunting for the expert drone pilot who has grounded hundreds of planes coming in and out of Gatwick by flying a drone at least 50 times
Here is how the chaos has unfolded:
9pm, December 19: Drone is first spotted by airport staff hovering near the runway causing flights to be grounded or diverted.
9.15pm: It appears again leading Gatwick bosses to believe it is a deliberate act.
9.30pm - midnight: The drone is seen at least five more times in that period
3.01am, December 20: Airport re-opens its runway after the all clear is given
3.45am: Drone is seen again and flights are again grounded
7am: Small unmanned aircraft appears again
9am: Another sighting of the drone as police start hunting perimeter of the airport
Midday: Police are unable find the drone pilot despite it appearing again at lunchtime with Gatwick saying all flights are grounded until at least 4pm
2pm: Airport admits it has 'no idea' when it will re-open as police struggle to find the pilot
3pm: The drone is spotted again as it buzzes across Gatwick's runway. It was just minutes after airport bosses announced they had hoped to re-open at 4pm.
4pm: Drone spotted flying over the runway yet again.
5pm: Ministry of Defence confirms that it is using specialist equipment to seek out the drone
8pm: Gatwick tells passengers not to come to the airport on Friday as drone buzzes across terminals
8.30pm-9.30pm: Another sighting of the drone on Thursday evening
10pm: The last known sighting of the drone hours after Army is deployed
3am, Friday December 21: Airport bosses deem the airspace is clear
6am: Gatwick re-opens the runway
10.30am: Flights are taking off and landing as normal
5.10pm: The runway is closed again after another suspected sighting