After First Commercial Flight, Other UAS Types Advance
Yamaha Motor Corporation USA would like the FAA to expedite commercial use of its RMax unmanned helicopter in the U.S. (Photo: Yamaha)
Yamaha Motor Corporation USA would like the FAA to expedite commercial use of its RMax unmanned helicopter in the U.S. (Photo: Yamaha)

With the first commercial flight of an unmanned aircraft system (UAS) now accomplished, at least two other potential certification efforts are under way for unmanned aircraft that would fly at opposite extremes of the airspace if the Federal Aviation Administration approves them.