The first wing spar for the US Air Force KC-46A aerial refuelling tanker - a military version of the 767-200ER -has been unloaded at Everett, Washington. This starts production of an order for 179 tankers over the next 14 years. The spar, the main structural component of the wing, is 82ft 5in (25.15m) long. Boeing employees are also preparing the 767 production line for assembly of the next-generation tanker's aft and forward body structures. Thefirst aircraft will be assembled in November and it will be to rolled out of the factory next January. Boeing expects to build and deliver the initial 18 KC-46As by the end of 2017 and the total of 179 by 2027 if all options under the contract are exercised.
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