The lawsuit claims the crash, which involved Flight 4819 skidding down the runway upside down after toppling over, was caused by the flight crew’s “gross negligence and recklessness.”

Two passengers have filed federal lawsuits following the crash landing of Flight 4919, which flew from Minneapolis to Toronto.

“Working with JetZero to realize an entirely new airframe and experience for customers and employees is bold and important work to advance the airline industry’s fuel saving initiatives and innovation goals,” Amelia DeLuca, Delta’s Chief Sustainability Officer, said in a statement.