FILE PHOTO An aerial photo shows Boeing MAX airplanes parked on the tarmac at the Boeing Factory in Renton, Washington, U.S. March .Grounded WestJet Boeing Max aircraft. will instead speculate on wrenching changes to global aviation made necessary by Boeing Co..Boeing is heading to the world’s largest air show in crisis, giving its rival Airbus an opportunity to steal the show. Boeing’s best selling plane, the Max, has been grounded since mid March after two crashes of the aircraft within five months killed a total of people..About the Boeing MAX. Boeing s newest family of single aisle airplanes is the MAX. The MAX is the fastest selling airplane in Boeing history with about , orders from more than customers worldwide..