Boeing has completed a 787 certification demonstration flight on line number 86, a production aircraft built for LOT Polish Airlines.
The demonstration flight marks the final certification test for the new battery system and completes testing requirements for the US Federal Aviation Administration (FAA).
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Departing from Paine Field in Everett, Washington, the flight had a crew of 11, including two representatives from the FAA.
The aircraft flew for one hour and 49 minutes and landed back at Paine Field.
According to the crew, the certification demonstration plan was straightforward and the flight went as planned.
The flight was for demonstrating that the new lithium-ion battery system functions as intended and complies with regulatory safety standards.
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By GlobalDataThe redesigned battery system includes improved insulation of the cells, a redesign of the internal battery components to lower initiation of a short circuit within the battery and a new containment and venting system.
Boeing stated that it would collect and analyse the flight data and submit required materials to the FAA shortly.
The company noted that it would be ready to reply to additional requests, and continue in discussions with the FAA to ensure that all requirements are met.
The redesigned battery system has to be certified by the FAA before Boeing can resume its 787 commercial flight services.
All of the 50 787s in-service worldwide have been grounded since mid-January following a battery fire on a 787 that landed in Boston’s Logan International Airport and another case of an overheated battery, which prompted Japan’s All Nippon Airways’ jetliner to make an emergency landing.
Image: Line 86 takes off on battery certification flight. Photo: courtesy of Boeing.
