European aviation giant Airbus has asked its teams to cut "non-essential expenses" by 10 percent due to turbulence following the Middle East war, according to a document seen by AFP. "We are asking for your support in adopting several cost containment measures to help our company navigate this unstable situation," it said.The economic uncertainty caused by the Middle East war is weighing on the entire aviation sector, as well as on global supply chains in the industry.