It's not a loop hole: this was an intentional move by Congress and the FAA. Ultralights have been a legal category for decades. The operating limits in terms of

It's not a loop hole: this was an intentional move by Congress and the FAA. Ultralights have been a legal category for decades. The operating limits in terms of altitude, speed, weight, and airspace are strict enough that when one crashes it usually only kills the (expendable) pilot and there is minimal risk to innocent bystanders. The Pivotal BlackFly and similar aircraft are merely toys for wealthy thrill-seekers. Which is fine and could make for a viable niche industry. There is no viable path yet for "flying cars" to see widespread transportation use.