Passengers who came down with a mystery illness on a Delta Airlines flight were found to have elevated levels of carbon monoxide in their bodies. It was reported that several passengers became ill on the Delta flight from Atlanta to Denver Sunday. They were found to have elevated levels of carbon monoxide in their bodies. Once passengers went outside and breathed fresh air, their levels returned to normal, a Fire Department spokesman said. "The flight crew of Delta flight 1817 from Atlanta to Denver elected to divert to Tulsa when a few customers reported feeling ill," Delta said. It was initially reported that 100 people were assessed by emergency services, with 9 having the same symptoms - but no cause was established. The number of patients complaining of symptoms was later raised to 12 by the Tulsa Fire Department. <br/>
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Heineken has become the first brewery to offer draught beer at 35,000 feet. The brewing company has partnered with KLM to offer the so-called "mile high pub", which is set to be trialled on intercontinental services in August. Heineken and KLM claim to have spent years developing a beer keg and dispenser that works at high altitude. "Because the air pressure is so much lower in an airplane than at sea level, a traditional beer tap will not work as it will only dispense a huge amount of foam," said Heineken. "We do have dispensers that work on air pressure, but these were too big to fit in a plane. It was one big jigsaw puzzle." That jigsaw puzzle isn't exactly complete: the cooling system that makes most pints icy cold had to be left behind because it was too big to fit inside the trolleys. <br/>
Xiamen Airlines has signed a memorandum of understanding to buy up to 30 Boeing 737 MAX 200s worth US$3.39b at list prices. The China Southern Airlines subsidiary plans to use the aircraft for its low-cost units in mainland China, Boeing said. The deal is subject to the approval of Xiamen Airlines and China Southern boards and the Chinese govt, it said. Separately, the airline signed a $980m deal with CFM International for engines for the planes. The MAX 200 variant can seat up to 200 passengers, 11 more than the usual low-cost airline configuration. Xiamen Airlines operates an all-Boeing fleet of more than 140 aircraft including six 787s, 130 current generation 737s and four 757s. It plans to expand its fleet to 200 aircraft by the end of the decade. <br/>