How can a 650,000 pound airplane disappear for weeks ? Captain John Smith says there are gaps in radar , and communication systems . He says a new system will ensure tracking of planes across the Atlantic . The code is assigned by air traffic control . Abend says that system , other than , needed to avoid repeat of Flight 370 crash .
How can a 650,000 pound airplane disappear for weeks ? Captain John Smith says there are gaps in radar , and communication systems . He says a new system will ensure tracking of planes across the Atlantic . Abend says that system , other than , needed to avoid repeat of Flight 370 crash .