Boeing 's Airbus joins Airbus team on board a A350WXB during a `` route proving '' flight . The wide-bodied A350WXB is Boeing 's answer to the Dean Irvine Thales . In fact , he said , it 's been closer to 20 months for the first customer as everything needed to be done more or less from scratch . The plane is made of 53 % composite materials helping its fuel efficiency .
Boeing 's Airbus joins Airbus team on board a A350WXB during a `` route proving '' flight . The wide-bodied A350WXB is Boeing 's answer to the Dean Irvine Thales . The plane is made of 53 % composite materials helping its fuel efficiency .