QinetiQ Group PLC, a British defense technology company, claimed on Sunday, August 24, that its ultra lightweight plane has broken the world record for the longest lasting unmanned flight.
According to QinetiQ, the aircraft, which is called the Zephyr, flew for 83 hours and 37 minutes straight. That is more than twice the official world record set by Northrop Grumman's Global Hawk back in 2001. It is also longer than the Zephyr's accomplishment last year, which was 54 hours of continuous flight.
QinetiQ, however, will not be celebrating anytime soon. The reported flight time of the Zephyr may not get into record books, because it did not meet the criteria laid down by the world's air sports federation, which is the body responsible for measuring and verifying air and space records.
"We were concentrating more on the flight than the record," said QinetiQ spokesman Douglas Millard.
The Zephyr, which has potential in the fields of reconnaissance and communications, is built from carbon fiber and features paper thin solar panels. It weighs 30 kilograms (66 pounds) and was launched by hand on July 28 in the Arizona desert in the United States. The aircraft was flown by autopilot and via satellite to an altitude of over 18,000 meters (60,000 feet), QinetiQ said.
During the day, the ultra lightweight was powered by the sun. At night, it relied on its rechargeable lithium-sulphur batteries.
QinetiQ stated that the Zephyr's more than three-day flight was witnessed by US and British defense officials. Still, it does not change the fact that the record is likely to remain unofficial.
