The folks at BYT tell us:

The Flugtag will launch in five cities across the country, including National Harbor’s Southpointe Waterfront, on September 21.

The requirements are simple: each team has one pilot and four people to aid in the takeoff. The craft must weigh no more than 400 lbs. (including the pilot) nor exceed a 28 ft. wingspan. Judges are looking for craftsmanship, creativity, and showmanship.

It’s free to enter, just fill out an online form and post sketch of your flying design.