It is the FAA 's responsibility to ensure the safety of other planes in the sky as well as people on the ground , she said . Unmanned aircraft have higher accident rates than regular aircraft . The FAA advised caution in expanding the use of pilotless planes in the United States . An FAA official told a House subcommittee that the agency must make conservative decisions on the issue .
Unmanned aircraft have higher accident rates than regular aircraft . The FAA advised caution in expanding the use of pilotless planes in the United States . An FAA official told a House subcommittee that the agency must make conservative decisions on the issue .