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Training and Development Centre. In the mid-1970s a modified Nimrod was proposed for the Airborne Early Warning (AEW) mission – again as a replacement for the

（原始内容存档于2011-06-03）.  Beijing to overtake london as world's largest aviation hub. Centre for Aviation. [2012-06-12]. （原始内容存档于2012-03-27）.  Global Cities Investment

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Tyndall Centre for Climate Change Research, Univ. of Manchester, UK. 2014. Fuel charges in international aviation and shipping: How high; how; and why?.