TSA Says Electronic Devices Must Be Charged And Powered On For Select U.S.-Bound FlightsPowerless devices will not be permitted onboard aircrafts with direct flights to the United States from select overseas airports.By by Austin HuntBuzzFeed News ReporterPosted on July 6, 2014, 7:13 pmTwitterFacebookLink The Transportation Security Administration announced new security measures on Sunday that will crack down on electronic devices that could possibly be used in a terror plot.