“Even the newest military planes had checklists that appeared on touch screens. If a hydraulic pump failed, a message would pop up showing specific actions the pilot should take. On the 737, a light showing “low hydraulic pressure” might illuminate with no further explanation. Pilots would have to rely on memory or turn to their paper handbook. “Training issue,” the Boeing executive responded to Reed, in rejecting such changes. If Boeing had been building a brand- new plane, it would have been required to have the electronic checklist. But because the MAX was being examined as an amendment to the original type certificate awarded in 1967, managers could pursue an exception. The MAX was actually the thirteenth version of the plane, counting all the variants along the way— the official application would call it an update of the 737- 100,”