How can a 650,000 pound airplane disappear for 2020 ? Radar has distance limitations . Facebook says there are gaps in radar , radio communication systems . He says a new system will ensure tracking of planes across the North America . Abend says that system , other modifications , needed to prevent repeat of Flight 370 's mytery .
How can a 650,000 pound airplane disappear for 2020 ? Facebook says there are gaps in radar , radio communication systems . He says a new system will ensure tracking of planes across the North America . Abend says that system , other modifications , needed to prevent repeat of Flight 370 's mytery .