Airbus A380 operator Emirates has encountered an unexpected problem with the aircraft - it's "too quiet" for pilots to enjoy a quick kip in the crew rest area.
According to Flight International, the company's flyboys complain the lack of background engine noise means they can hear every wailing infant and flush of the vaccuum toilets from their sanctuary situated at the back of the cattle-class main deck. To add to pilots' woes, passengers also mistake the rest area for a toilet and continually pull on the door handle.
Full article at... http://www.theregister.co.uk/2008/12/09/quiet_a380/