'Could this be the world's biggest glider?'. An unmarked B747-8F being towed around Everett (PAE) in the pouring rain (there are currently [Aug-13] four like this at PAE).  It will be stored at Everett until late 2013 awaiting upgraded engines. Update: finally delivered 19-Dec-13, 1st aircraft with uprated engines
Ken Fielding
CC BY-SA 3.0
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