Zephyr solar powered plane makes an unofficial world record
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the UK-built zephyr - a high altitude long endurance unmanned aerial vehicle (UAV) plane - has set a world record for longest unmanned flight by staying aloft for more than 82 hours. that time beats the current official world record for unmanned flight set by the US robot plane global hawk - of 30 hours, 24 minutes - and even zephyr’s own previous best of 54 hours achieved last year. the trial, which took place between 28 and 31 july 2008, also included the participation of the UK ministry of defence
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