The Federal Aviation Administration on Wednesday cleared Boeing Co.'s 787 to fly far over the ocean, up to 5 1/2 hours away from the nearest emergency landing site.
The move comes while another branch of the government — the National Transportation Safety Board — is still investigating the cause of a January 2013 battery fire aboard a 787 parked at the gate in Boston. Nobody was injured, but that fire — and a subsequent smoke condition on a separate plane nine days later — led to a worldwide grounding of the plane, also known as the Dreamliner.
The 787 first carried passengers in October 2011. Regulators had previously allowed it to be flown only 3 hours away from an airport while traversing oceans. The expansion lets airlines fly the Dreamliner over extremely long stretches of open ocean, primarily the South Pacific.