This screenshot of an HVO-compatible display shows the basic elements behind this Small Aircraft Transportation System (SATS) technology.

By Thomas P. Turner

November 329PT, you’re number five for the approach. Fly direct to Reece intersection and hold as published, maintain 4000, expect approach clearance at 20 past the hour; time now 35 past the hour.”

That kind of lengthy, delayed approach clearance could become commonplace in the near future. Oh, sure; a few things have to happen first. Like very light jets (VLJs) populating the skies per projections. And the traveling public—which refers to regional jets as “little airplanes”—must accept six-seaters as safe, viable transportation. Then, the FAA/NASA vision of light airplanes replacing regional highway traffic in the Small Airplane Transportation System (SATS) will have to become a reality. Reliever…