The following news shows the necessity of drone security
A further drone sighting has again disrupted the UK's second-biggest airport, with flights grounded and passengers unable to fly
Aircraft was left circling above the area during the latest alert, which came at about 17:10 GMT. Flights resumed less than 90 minutes later.
Gatwick had reopened earlier on Friday after drones flying over the airfield closed it for more than a day.
The airport was initially closed on Wednesday at about 21:30, following the first drone sighting.
The spokeswoman said the latest incident was a "confirmed sighting of a drone".
Eleven inbound flights were diverted to other airports during the latest suspension and, while outbound flights would experience a "knock-on delay", none had been cancelled, she said.
During disruption on Thursday, 760 flights had been due to arrive or depart from the airport but all were grounded.
On Friday, 155 flights were cancelled.
Gatwick's chief operating officer Chris Woodroofe said on Friday morning, that 120,000 passengers due to arrive or fly had not travelled since Wednesday night.
The unmanned aerial vehicle caused serious influence to Gatwick airport and buffet public regulations. It serves as a warning that recreation drone security like interceptor should be considered by the government authorities and take measurements to prevent the same things happen again.