Climate activist group Heathrow Pause plans to fly " toy flies " at regular intervals at the London airport , beginning at 3 a.m. on 13 September . The group , a splinter of Extinction Rebellion , said the protest aims to “ highlight the incompatibility " of the government 's 2050 net - zero greenhouse gas emissions target with its Heathrow expansion plans . Drones will be flown at around head - height within the airport 's exclusion zone , disrupting aircraft , but will not enter flight paths , the group said . “We are committed to taking every possible step to ensure nobody is hurt or endangered, and have put stringent safety measures and protocols in place.” An airport spokesperson said it would use radar - detection solutions to " mitigate the operational impact " of the protest .
Climate activist group Heathrow Pause plans to fly " toy flies " at regular intervals at the London airport , beginning at 3 a.m. on 13 September . The group , a splinter of Extinction Rebellion , said the protest aims to “ highlight the incompatibility " of the government 's 2050 net - zero greenhouse gas emissions target with its Heathrow expansion plans . Drones will be flown at around head - height within the airport 's exclusion zone , disrupting aircraft , but will not enter flight paths , the group said . An airport spokesperson said it would use radar - detection solutions to " mitigate the operational impact " of the protest .