Of all the things that can go wrong, falling out of the sky is one of the least of the problems. A bulky parachute is extra weight so people are going to avoid building it in, and besides that, I doubt it&#x27;s going to help in most situations.<p>E.g.: Who decides to deploy it? The pilot? In that case, signal loss or interference might get in the way. Or does the multirotor decide for itself when to deploy? In that case it could decide to do so at the wrong moment, which can be just as dangerous. You&#x27;d need safeguards against this safeguard.<p>The main danger of these machines are the blades, not it falling out of the sky without inertia in the props.