Boeing test flight: 787 Dreamliner first test flight completed, after being grounded over battery problems

By on Feb 10, 2013 in Lifestyle, United States Comments

Boeing made its first test flight of their 787 Dreamliner on Saturday, February 9, 2013. This is the first Boeing test flight since the US Federal Aviation Administration (FAA) has grounded their 787 Dreamliners more than three weeks ago, over a series of mishaps of the famous commercial airplane.

Boeing 787 Dreamliner emergency landing Japan

Boeing 787 Dreamliner, which made an emergency
landing in Japan (January 16, 2013)

Image Credit: Kyodo News

As noted by the New York Times that day, the Boeing test flight lasted for more than two hours after the plane took off from the Boeing Field in Seattle. Boeing spokesman Marc R. Birtel told them that the crew, which included 13 pilots and test personnel, and that the flight was “uneventful.”

According to the report, Boeing test flight crew used a special equipment to check the status of the batteries and their chargers, and to monitor the data regarding battery temperature and voltage. The plane under test, which was approved by the FAA last Thursday, covered about 900 miles and landed at 2:51 p.m. PT.

Based on the record of flight-tracking website, the Boeing plane flew for 1,131 miles and reached 36,000 feet altitude, with its speed ranging from 435 to 626 miles per hour. This test flight comes two weeks after the National Transportation Safety Board (NTSB) released its third update about the Dreamliner probe.

Last January 20, the NTSB announced that excess battery voltage as the probable cause of the Boeing 787 fire incident at Logan International Airport in Boston last January 7 has been ruled out. The agency’s investigative team has examined the lithium-ion battery that powered the plane’s auxiliary power unit (APU).

Last January 16, a Boeing 787 Dreamliner jet made an
emergency landing at the Takamatsu Airport
, in Japan after smoke was seen inside its cockpit. The incident prompted All Nippon Airways (ANA) and Japan Airlines (JAL) to suspend all their flights and Japan Transport Safety Board started their own investigation.

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