The deals are a big vote of confidence in the European planemaker, a day after major customer IAG signed a letter of intent to buy 200 of Boeing's 737 MAX jets that have been grounded since March after two deadly crashes.
The watchdog, however is itself under increased scrutiny and has been facing accusations that it failed to properly oversee the checks on the flight-control system of 737 MAX, the catastrophic malfunctions of which are blamed for the fatal crashes.
Boeing's head of commercial aircraft, Kevin McAllister, told reporters in Paris: "We are very sorry for the loss of lives".
The owner of British Airways has ordered 200 planes from the Boeing range that have been grounded after killing nearly 350 people in two crashes.
International Airlines Group (IAG) placed a firm order for 14 of Airbus' newest A321XLR aircraft at the Paris Air Show, on June 18, 2019. It announced a deal with Korean Air and Air Lease Corporation for a total of 30 long-range 787 jets, and worth $6.3 billion at list prices.More news: Trump says having ‘extended meeting’ with Xi at G20 summit
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Future aircraft like the 777X twin-jet and a potential new mid-sized aircraft known at Boeing as NMA are central to advancing the "challenging goal that we aspire to", Deal said, referring to the $50 billion.
"We can fly from northeastern Asia into south Asia, from the Middle East to Bali or from Japan deep into Australia, and so on", said Airbus chief salesman Christian Scherer.
Airbus plans to launch the A321XLR with a maximum take-off weight of 101 tonnes and a range of 4,500 nautical miles (8,300 km) based on some 210 seats, reaching as far as 4,800 miles.
Walsh isn't a stranger to Boeing, however, having started his career as a pilot flying 737-200s, the precursor to the MAX.
Airbus also said it had reached a preliminary deal to sell 11 A321neos to Taiwan's China Airlines, snatching the renewal of the airline's medium-haul fleet from Boeing.
GE Aviation said it had found unexpected wear in a component for the GE9X engine it is making for Boeing's 777X, the world's largest twin-engined jet, forcing a delay of several months while it redesigns and tests the part.