A drone pilot and an instructor at Grand Forks Air Force Base, N.D., failed to realize an RQ-4 was 4,000 feet too high as it started its final approach and didn’t select the proper commands, leading the unmanned aerial system to overshoot the base and crash nearly seven miles away, according to a new accident investigation board report.
The Aug. 6, 2021 crash of the RQ-4 was also caused by an initial workstation lockup and a failure by another pilot with the mission control element to. . . [Read the rest of this story in Air Force Magazine].