The order, which was originally listed for an unidentified customer on Boeing's website, is valued at $1.1 billion.
Beyond the order avalanche, manufacturers, suppliers and airlines use the event to haggle over contracts and float ideas for new planes and ventures.
Just a reminder: Volga-Dnepr placed an order for 20 Boeing 747-8F freighters at the Farnborough show in 2016 and did not take all the planes due to financial troubles. The stock has been moving broadly higher in the past week or so, despite uncertainty surrounding the ongoing US-China trade disagreements.
Boeing CEO Dennis Muilenburg said on Sunday the performance of global supply chains was always under watch.
"Rhetoric about potential penalty actions are a concern to us", Muilenburg said. The global aviation industry is under threat from a simmering trade war between the U.S. and China. Aerospace is the biggest trade-surplus generator in the US and provides key manufacturing jobs, while China relies on foreign aircraft to help fuel economic growth, Muilenburg said. Finding a positive outcome is important for both sides, he said.
The plane maker expects nearly 37,400 new aircraft, worth $5.8 trillion, will be required to meet global demand over the next 20 years.
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Boeing countered with a firm order from Air Lease Corp.
Even before the first displays had taken to the skies over a sun-baked southern England, Boeing said delivery firm DHL, part of Deutsche Post DHL Group, had placed a US$4.7 billion order for 14 777 freighters, and purchase rights for seven additional freighters.
"We are delighted to announce the acquisition of 14 new 777 Freighters as we renew part of our long-haul fleet with this best-in-class fuel efficient freighter type that will make a significant step towards DHL's zero emissions target by 2050", said DHL's executive President of Global Network Operations & Aviation, Charlie Dobbie.
The company's sales forecast for the next two decades predicts a 5% rise to 31,360 in demand for single-aisle aircraft, such as the Boeing 737 and Airbus A320 families, which are popular with low-priced airlines. Airbus said this adds to the company's existing orders. The biggest of those were a MOU for 80 of the jets by an "undisclosed" aircraft lessor and a "letter of intent" by India's Vistara for 50.
Airbus is seeking to jump-start the order book for its newly acquired C Series small jetliner, now dubbed the A220.
Planemakers racked up more than US$20 billion of deals on the opening day of the Farnborough Airshow on Monday, suggesting demand for new passenger jets remains in rude health despite worries over trade tensions and Brexit.