Newark air traffic control lost contact with pilots at least twice before, source says

The communications breakdown last week that resulted in air traffic controllers losing radar and radio contact with the pilots of planes they were guiding into Newark Liberty International Airport has happened at least two other times since August, a current veteran controller told NBC News on Tuesday. And at least eight or nine times in recent months, controllers lost radio contact with pilots flying into one of the nation's busiest airports, said the Newark airspace controller who asked not to