The show is happening at a delicate time for Boeing, which is coming off its best month for sales in a year and a half and a deadly plane crash in India involving one of its aircraft.

Airbus secured more aircraft orders on Wednesday, raising its total to $21 billion at this week’s subdued Paris Air Show, while rival Boeing opted not to announce new sales following last week’s Air India 787 crash.

Vice President of commercial sales at Airbus SE Benoit de Saint-Exupery, Chief Executive Officer of commercial aircraft at Airbus SE Christian Scherer, Founder of Vietjet Air Nguyen Thi Phuong Thao and Dinh Viet Phuong,