Multiple choice Why did the Wright Brothers promise to never fly together? Their father feared he would lose them both in an accident. They didn't particularly care for one another. Both of them were too heavy to sit in a single flyer. One needed to stay on the ground to clear the runway. Reveal answer Fill a bubble to check yourself A Correct answer Explanation Milton Wright, the brothers' father, was concerned about the safety of his sons and feared that a single accident could kill both of them if they flew together. This led him to extract a promise that they would never fly on the same aircraft.