A few weeks ago we wrote an article about Skyrider 2.0, an airplane seat developed by Italian manufacturer Aviointeriors. You can tell just by looking at Skyrider that it’s not your average seat. One of the most noticeable differences is that the bottom portion of Skyrider resembles a small saddle.

This saddle-like design makes it so that passengers must sit more upright than they would in a typical airplane seat. According to Aviointeriors, Skyrider could increase a plane’s passenger capacity by as much as 20 percent.

Now it seems like Skyrider and other space-saving seats might never get cleared for takeoff, at least in the States. This is thanks to a new bill that was recently approved by the U.S. House of Representatives. The bill, known as the Seat Egress in Air Travel Act, or the SEAT Act for short, attempts to standardize the minimum seat size on commercial planes as well as the minimum distance between rows.

Although the bill itself does not set the new dimensions for airplane seats, it’s unlikely that Skyrider is going to fly; literally. The bill aims to ensure that passengers are “able to evacuate quickly and safely in the event of an emergency,” according to Steve Cohen, a U.S. Representative from Tennessee who introduced the bill back in 2016.

Skyrider’s design would likely impede evacuation procedures, since it leaves only 20 inches of space in between each row of seats. When and if the bill becomes law, the Federal Aviation Administration will have one year to decide what the minimum seat dimensions will be. Other big changes that could be brought about by this bill include airlines being unable to bump passengers from a plane once onboard and banning phone calls while in flight.

For more information about the bill and what it entails for both airlines and passengers, check out this article from Travel + Leisure: This New Bill Could Finally Stop Airlines from Shrinking Seats.