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Boeing Commercial Airplanes
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%How well the pin's source and references back up its dates.Weighted average of how firmly 6 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Boeing's[4] release is datelined 'EVERETT, Wash., April 19, 2013': 'Today's approval of battery system improvements for the 787 Dreamliner by the U.S. Federal Aviation Administration (FAA) clears the way'.Three months after the grounding, the FAA on 19 April 2013 approved Boeing's redesigned 787 battery system, including a new steel enclosure, clearing the fleet to return to service once retrofitted. Ethiopian Airlines flew the first 787 passenger service on 27 April.
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