A Boeing 737 MAX airplane takes off on its first test flight, Friday, Jan. 29, 2016, in Renton, Wash.
A Boeing 737 MAX airplane takes off on its first test flight, Friday, Jan. 29, 2016, in Renton, Wash. Ted S. Warren Associated Press
A Boeing 737 MAX airplane takes off on its first test flight, Friday, Jan. 29, 2016, in Renton, Wash. Ted S. Warren Associated Press