Internet sleuths on Reddit have uncovered details seemingly about Six Flags over Texas’ 2026 dive coaster thanks to public filings made with the Federal Aviation Administration.

The FAA requires companies to file requests before construction commences if they are proposing a variety of structures, including tall ones near airports. Six Flags over Texas is approximately 10 miles away from the third busiest airport in the world, DFW Airport.

Screenshot of the FAA filing

Dive Coaster FAA Filing Screenshot

Per one of the filings, the structure is listed at 309 feet (94 m), seeming to confirm the rumors of a giga dive coaster of record-breaking height. The next-tallest filing is at 225 feet (69 m), which is presumed to be the height of the first inversion (assuming the ride will follow B&M’s typical dive coaster layout). The structure name is curiously named “Project Rubi.” Another user took it a step further, adding coordinates of structural peaks from the filings to generate a potential general layout of the ride.

It’s unlikely the FAA will take umbrage with the proposed structure, since the Oil Derrick and Texas SkyScreamer already define existing high points in the park at 300 and 402′ respectively.

Meanwhile, park visitors report La Vibora—station and all—is completely gone and work clearing the land continues. The work schedule for the structure is listed from 3/1/2025 to 3/30/2026, but the first several months will likely be for land preparation and pouring for footers before the park starts receiving track and the structure going vertical.